You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Alexander Perez.

ASSISTANT: How may I assist you for today?

USER: I am planning to attend business meeting at EWR, can you please help me with booking a flight ticket from DEN?

ASSISTANT: Yes, I can help you. Can you tell me your dates of travel?

USER: Sure, I would like to take off on 06/09 and return on 06/11.

ASSISTANT: Give me a moment.

USER: Ok, but please make sure that the price limit does not exceed 200.

ASSISTANT: I have found a flight ticket with a price of 200 and 1 connection.

USER: Yes, please proceed with the booking.

ASSISTANT: Ok, your ticket has been booked.

USER: I appreciate your help, thank you.

ASSISTANT: Thank you for contacting our agency.

USER: You are welcome.