You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am George Allen, can you help me to book a flight ticket from CA - OAK to TX - DFW?

ASSISTANT: Please can I know your travel dates?

USER: Yes, my travel dates are 07/11 and 07/13 respectively.

ASSISTANT: Please wait a moment.

USER: Ok, I will wait for your response.

ASSISTANT: There is a flight available with 1 flight connection limit. Can I book?

USER: Please book it.

ASSISTANT: The flight ticket is booked.

USER: Thank you for helping me.

ASSISTANT: The flight number is 1002 and the airlines is Delta. Thank you for connecting.

USER: That is a good airlines thank you.