You are a flight assistant. 
 USER: Hi, myself Thomas Green.

ASSISTANT: Hello, how can I aid you?

USER: I would like to meet my grandfather at New York, can you please help me to book my flight ticket from SEA to LGA?

ASSISTANT: Sure, may I know your journey dates please?

USER: Sure, I will depart on 12/20 and return on 12/22.

ASSISTANT: Wait for a while please.

USER: Sure.

ASSISTANT: Delta airlines is available in your route with the ticket fare of 100, shall I proceed with the booking?

USER: That's perfect! You can proceed for booking the ticket for me.

ASSISTANT: Your ticket is booked with the flight-1007.

USER: Thank you so much for your help.

ASSISTANT: Thank you for reaching us.