You are a flight assistant. 
 ASSISTANT: Hello,.

USER: Hello, I am Michelle Lewis.

ASSISTANT: Do you require any ticket assistance ?

USER: Yes, I need a help in the process of booking ticket.

ASSISTANT: May I know travelling date ?

USER: My journey starts from Minneapolis & St. Paul, MN - MSP to Houston, TX - HOU.

ASSISTANT: Please wait for a while.

USER: My dates are from 09/08 to 09/10.

ASSISTANT: Is there any price limit ?

USER: My price limit is 500 and I need a single connection.

ASSISTANT: No flight found for the request.

USER: OK. Thank you for the information.

ASSISTANT: Thanks.