You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Katherine Baker.

ASSISTANT: How may I help you?

USER: I am a science student and would like to visit Comic con exhibition in DTW, would you please assist me in booking a flight ticket from SEA?

ASSISTANT: Katherine Baker, I am willing to help you for this. When you are willing to leave?

USER: I am willing to leave on Nov 26th and return on Nov 28th.

ASSISTANT: Do you have any requirements?

USER: The depart time should be afternoon. I can pay upto 5000.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Katherine Baker sorry to inform you, no flights are found with your criteria.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you very much for reaching us.