You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I render you today?

USER: Can you please make a reservation between DCA and SFO for my business meeting?

ASSISTANT: Sure, I am here to help you. May I know your travel dates please?

USER: Thank you, my boarding is on Dec 24 and please book my return ticket also on Dec 26.

ASSISTANT: Ok, do you have any other specifications?

USER: No.

ASSISTANT: Ok, hold on for a moment. Let me check the best available flight for you.

USER: Sure, take your time.

ASSISTANT: I found a flight for you with Southwest Airlines and it costs you 100. Shall I proceed?

USER: I am ok with this flight, you can proceed with booking now.

ASSISTANT: On whose name you would like to book this ticket?

USER: Please book the flight ticket on the name of Timothy Green.

ASSISTANT: Your ticket has been booked with 1011 flight number Timothy Green.

USER: Thank you for your help.

ASSISTANT: Welcome, thank you for choosing us. Have a safe flight.