You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I be of your service?

USER: As I need to attend a film festival at Minneapolis & St. Paul, I would like to travel from Boston. Can you help me book a connecting flight?

ASSISTANT: Sure, can I know your name please?

USER: Helen Carter is my name.

ASSISTANT: Please let me know your fare limit.

USER: It should not exceed 1000.

ASSISTANT: Can I know your preferable travelling dates?

USER: I would like to travel on 03/21 and 03/23.

ASSISTANT: Could you please let me know your exact airport attributes?

USER: I want to fly from my nearest airport, BOS to MSP.

ASSISTANT: Just a moment I will check and let you know.

USER: Sure.

ASSISTANT: Thanks for waiting, unfortunately there are no flights found with your requested details.

USER: It's ok, thank you for the information.

ASSISTANT: Thanks for picking us.