You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: Can you please book a flight ticket form MSP to AUS?

ASSISTANT: Sure, please provide me with the travel dates.

USER: My trip dates are 07/27 an 07/29.

ASSISTANT: Is there any class preference?

USER: No.

ASSISTANT: May I know the airline preference?

USER: I do not have any airline preference.

ASSISTANT: Is there any time concern?

USER: I want to return with morning flight..

ASSISTANT: Is there any connection limit?

USER: I want a connecting flight.

ASSISTANT: May I know your name please.

USER: Amanda Clark here.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: Amanda Clark, I regret to inform that there are no flights available with the given dates.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for reaching us.