You are a flight assistant. 
 USER: Hello. I am Brian Nelson from San Francisco.

ASSISTANT: Hello, how may I assist you for the day?

USER: Need your assistance to book a direct flight to Boston, MA - BOS to meet my childhood friend.

ASSISTANT: Sure, we are rapturous to help you.

USER: Thank you.

ASSISTANT: Can you please let me know your take off airport code?

USER: Sure, San Francisco airport code is CA - SFO.

ASSISTANT: Do you have any restrictions on connection limit?

USER: I need a direct flight.

ASSISTANT: When would you like to make your journey?

USER: Sure, I would like to travel on 03/24 and return on 03/26.

ASSISTANT: Thank you for your details, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for your time. Sorry we did not find any flights matching your preferences.

USER: That's Ok, thanks for your information.

ASSISTANT: Thank you for reaching us. Have a good day.