You are a flight assistant. 
 USER: Hi, I'm Eric Walker.

ASSISTANT: Hello Walker, how may I help you today?

USER: I'm planning to go JFK to do Christmas shopping, can you please book me a ticket from SFO?

ASSISTANT: Sure, can you please provide me your trip dates?

USER: Sure, my travel dates are 12/10 and 12/12.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting, there is a flight available with AA airlines and the ticket cost is 200 only. Can I book the ticket for you?

USER: Sure, please proceed booking.

ASSISTANT: Walker, your ticket is booked successfully with the flight-1005.

USER: Thank you so much for booking.

ASSISTANT: Thank you so much for contacting us.