You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Janet Allen.

ASSISTANT: How may I amend you today?

USER: I am planning to give surprise my friend on her birthday at Minneapolis, MSP. Can you please book a ticket from Boston, BOS?

ASSISTANT: Sure. When did you like to travel?

USER: Journey dates are 01/27 to 01/29.

ASSISTANT: Ok. Thanks for sharing the details of your journey. No flights found in search on respective dates.

USER: No problem. Thank you.

ASSISTANT: Thank you for choosing us, Have a nice day.