You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Ryan Turner.

ASSISTANT: How can I assist you?

USER: I am planning to book a flight ticket to SFO to enjoy my holiday trip, can you help me with booking a connecting flight?

ASSISTANT: Sure. May I know your travel dates?

USER: My travel dates are Mar 02 and Mar 04.

ASSISTANT: Ok, please share your departure airport code.

USER: My source airport code is BOS.

ASSISTANT: Sorry, I did not find any flights for you.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.