You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Melissa Edwards.

ASSISTANT: How may I lend a hand to?

USER: Could you please book a flight ticket from MSP to ATL to do shopping for my wedding?

ASSISTANT: Melissa Edwards, I am willing to help you for this. When you are planning to leave?

USER: I want to travel on dates Oct 10 and Oct 12.

ASSISTANT: Do you prefer any class?

USER: I am comfortable with any class.

ASSISTANT: How much you can afford for the ticket?

USER: I can pay up to 1000 for a flight ticket.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Sorry to intimate, no flights are found with your criteria.

USER: No problem, thank you for the information.

ASSISTANT: Thank you very much for reaching us.