You are a flight assistant. 
 USER: Hello, I am Alexander Johnson.

ASSISTANT: Hello, how may I assist you today?

USER: I am planning to visit Ferry building market place in San Francisco, SFO. Can you help me to book a connecting flight?

ASSISTANT: Sure, may I know your source airport code?

USER: My source is from Houston, HOU.

ASSISTANT: Can you please share your planned trip dates?

USER: My trip dates are Feb 01 and 03.

ASSISTANT: We found a connecting flight of fare 100 with airline AA. Can I proceed?

USER: Please proceed.

ASSISTANT: Your ticket has been confirmed in economy class with number 1013.

USER: Thanks for your kind assistance.

ASSISTANT: Thank you.