You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am John Edwards, I have a plan to visit San Francisco to meet my grand father friend at China Town. Help to find a flight from Denver CO-DEN.

ASSISTANT: Sure. Can you please provide the journey details?

USER: Sure. My destination is San Francisco and airport code is CA-SFO. I will travel on 01/25 and return on 01/27.

ASSISTANT: Please wait a minute, I will check the availability and let you know.

USER: Sure.

ASSISTANT: Thanks for your patience, we have a flight with Hawaiian airline. The flight number is 1003, price is 100 with one connection. Shall I proceed for booking?

USER: Sure.

ASSISTANT: Your ticket has been reserved. Thanks for contacting us.

USER: Thank you for your help.