You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Welcome to flight ticket booking agency. In which way I can assist you at this moment?

USER: I am a doctor and I would like to travel to BOS treat my patient who is suffering with paralysis from past two months on wards, so can you find a flight ticket for me from DEN?

ASSISTANT: Sure, I am happy to help you with finding a flight as per your request.

USER: Thank you for accepting my request in positive manner.

ASSISTANT: It's ok. I need your planned travelling dates to get exact flight in your route so please provide me them.

USER: I would like to start my journey on 04/29 and after the finishing of my work  I will catch the return flight after two days on 05/01 to back to my home town.

ASSISTANT: Thank you for providing dates, please be on hold for a moment to check flight availability in your route.

USER: Sure, I will wait for your positive response.

ASSISTANT: UA airlines running a flight in your route which is having connection 1 and the ticket fare is 100. Is it ok for you to travel?

USER: That's perfect, you can go ahead with the ticket booking.

ASSISTANT: If you don't mind, can you please provide me your good name to complete booking process?

USER: Sure, please confirm the ticket under the name of Emma Baker.

ASSISTANT: Ok Emma, your ticket booking has done and the flight number is 1018.

USER: Thank you for spending your valuable time in booking the flight ticket.

ASSISTANT: Thank you for choosing our flight ticket booking agency. Hope you will choose our agency in future also. Have a great journey.

USER: You are welcome.