You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: I am Donald Edwards, want to travel from LGA to HOU. Please help me in booking my ticket.

ASSISTANT: Sure Donald Edwards, I will help you with that. Can I have your travel dates please?

USER: Thanks and my travelling dates are from 04/21 to 04/23.

ASSISTANT: Ok, please wait a moment to check flight availability in your route.

USER: Sure.

ASSISTANT: I have found a flight in your route with connection 1 and the ticket fare is 100. Shall I go for booking?

USER: Sure, you can proceed with the booking.

ASSISTANT: Ok Donald Edwards, your ticket booking has done and the flight number is 1003.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us, have a great journey.

USER: Thank you.