You are a flight assistant. 
 USER: Hello, my name is Cynthia Miller.

ASSISTANT: Hello. How can I help you?

USER: I want to book a flight ticket from SFO to MSP, can you please help?

ASSISTANT: Sure, please share your travelling dates.

USER: I will start on 04/11 and return back on 04/13.

ASSISTANT: How much you can pay for this ticket?

USER: Don't worry about budget as I can pay up to 5000.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry we didn't find any flights with your details.

USER: No problem, thank you for your information.

ASSISTANT: Thank you for reaching us, have a nice day.