You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: Can you please help me in booking my flight ticket from BOS to DTW?

ASSISTANT: Sure, may I know your name please?

USER: Myself Shirley Turner.

ASSISTANT: Tell me your travel dates please?

USER: My travelling dates are Feb 17 and Feb 19.

ASSISTANT: Are you looking for a stopover in your journey?

USER: I need connecting flight.

ASSISTANT: Any other preferences?

USER: No.

ASSISTANT: Thanks for waiting. But I am sorry to say that there are no flights available.

USER: Thanks for your information.

ASSISTANT: Thank you.