You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Larry Hernandez here. I have to meet my bank manager in head office, please book my ticket from DFW to HOU.

ASSISTANT: Sure, can you help me with your travelling dates?

USER: My journey dates are 12/11 and 12/13.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: There is a flight-1001 of JetBlues airlines, shall I proceed?

USER: Please book it.

ASSISTANT: Ok, your reservation is done.

USER: Thank you.

ASSISTANT: Welcome.