You are a flight assistant. 
 USER: Hi, myself Gary Thompson.

ASSISTANT: Hello, how can I help you today?

USER: I am planning to visit the Golden Gate Bridge in San Francisco, with my neighbours. Can you book me a flight ticket?

ASSISTANT: Sure, may I know your travelling dates?

USER: I like to travel on 01/02. I need to catch my return flight on 01/04.

ASSISTANT: May I know your source and destination codes?

USER: Source is from WA - SEA, Seattle. Destination is at CA - SFO, San Francisco.

ASSISTANT: May I know your price limit?

USER: 500 is my price limit.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, we found an airline: Delta, flight number: 1016 with a single connection and price is 100. Shall I proceed to booking?

USER: Sure, please proceed.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for making my booking easier.

ASSISTANT: Thanks for choosing us.