You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am planning to attend convocation meeting at IAH, can you please help me with booking a flight ticket from LAS?

ASSISTANT: Sure, may I know your journey dates?

USER: Sure, I would like to take off on July 24 and return on July 26.

ASSISTANT: Can I know your airline preference?

USER: I would prefer normal cost airline.

ASSISTANT: Do you have any other preference?

USER: I am looking for a flight with 1 connection.

ASSISTANT: We found a flight on United airline, flight number 1029 with the fare of 100.

USER: Yes, please proceed with the booking.

ASSISTANT: May I know your name?

USER: My name is Charles Jones.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.

USER: You are welcome.