You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I serve you today?

USER: Can you please help me in booking a flight ticket as I planning to go for Scavenger hunt, at Boston, BOS?

ASSISTANT: Sure, I am ravish to help you. May I know your travelling dates?

USER: I am willing to travel on 03/11 to 03/13.

ASSISTANT: Can you please provide your source code?

USER: San Francisco,SFO is my boarding point.

ASSISTANT: Please provide your name.

USER: I am Cynthia Carter.

ASSISTANT: Thanks for waiting, there is no flights found on your given requirements.

USER: It's ok, no issues. Thank you for the information.

ASSISTANT: Thank you for choosing us.