You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Margaret Lee. I would like to book a ticket from HOU to DTW. Can you please help me out to book a ticket?

ASSISTANT: Sure, I will help you Lee. Can you please provide me your trip dates?

USER: These are my travelling dates 07/18 and return back on 07/20.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: There is a flight available in AA airlines and the ticket fare is 100 only. Shall I book the ticket?

USER: Yes, you can book it.

ASSISTANT: Lee, your ticket is booked successfully with the flight-1029.

USER: Thank you for your service.

ASSISTANT: Thank you very much and have a great flight.