You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am George Lee here. I am looking for booking a flight ticket from IAH to DFW. Can you please help me in booking a flight ticket?

ASSISTANT: Ok, may I know your travel dates to book?

USER: My travel dates are from 09/20 to 09/22.

ASSISTANT: There is a flight ticket available with fare of 100 and the airlines is Delta. The connecting limit is 1, can I book?

USER: That's fine for me, please proceed with that flight ticket booking.

ASSISTANT: Ok, the flight ticket is confirmed and the flight number is 1017. Thank you for choosing our agency.

USER: Thank you for booking my ticket in Delta airline.