You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am David Martin.

ASSISTANT: How may I help you?

USER: I want to book a ticket from SFO to PHX to meet my uncle, can you help me in booking?

ASSISTANT: May I know your travelling dates please?

USER: I am departing on 12/19 and return on 12/21.

ASSISTANT: Flight-1003 is available for you with 1 connection at the price of 100.

USER: Please proceed for booking.

ASSISTANT: Booking confirmed, thank you for reaching us.

USER: Thank you for your help.

ASSISTANT: Have a safe journey.