You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: My name is Brian King. I have a plan to meet my friend in San Francisco. Can you help me for booking a flight ticket?

ASSISTANT: Sure, I will help you in booking. Can you please share your trip dates?

USER: My travelling dates are from 02/05 till 05/07.

ASSISTANT: Ok, may I know your airport codes?

USER: My travelling airport codes are from IAH to SFO. Sorry, my return date is on 02/07.

ASSISTANT: Ok. Here, I found a flight for you with 1 connection and fare is 100. Shall I proceed?

USER: Ok, please proceed for booking.

ASSISTANT: Your booking is done with flight 1004 and airline is Delta.

USER: Thank you for booking.

ASSISTANT: Welcome, have a safe flight.