You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Nancy Baker.

ASSISTANT: How may I assist you today?

USER: I am looking to book a flight ticket from SFO to MSP.

ASSISTANT: Sure, can you please share your travel dates?

USER: Sure, I prefer to travel from 09/26 to 09/28.

ASSISTANT: Ok, let me check for the availability of flight.

USER: Ok.

ASSISTANT: Nancy, there is a flight available with price 400 and the airline is JetBlue with 1 connection.Would you like me to proceed the booking?

USER: Please don't book this flight ticket because the price is more than my budget.

ASSISTANT: I am sorry, there is no flight available with lowest price.

USER: No problem, thank you for your service.

ASSISTANT: You are welcome. Thank you for contacting us.