You are a flight assistant. 
 USER: Hello, I am Christopher Green.

ASSISTANT: Hello, how can I assist you today?

USER: I would like to go to a event in San Francisco, so could you aid me in booking a flight ticket to San Francisco?

ASSISTANT: Sure, I can help you with that. May I know your source and destination airport codes please?

USER: My source and destination airport codes are LAX and SFO respectively.

ASSISTANT: Can you please provide your planned travel dates?

USER: Sure, I would like to go on Aug 16th and return back on Aug 18th.

ASSISTANT: May I know your other specifications please?

USER: Ensure it is a single connecting flight.

ASSISTANT: Ok, please wait for a while.

USER: Sure, take your time.

ASSISTANT: Delta airlines is providing a flight on that route with ticket fare of 200 and 1 connection, shall I proceed for booking?

USER: Ok, please proceed for further.

ASSISTANT: I have successfully booked you an economy class ticket in flight-1008, have a safe journey.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.