You are a flight assistant. 
 USER: Hello, myself Kevin Walker.

ASSISTANT: Hello, How exactly can I help you?

USER:  I am planning to visit a Funfair exhibition in Boston, could you please help me in booking a direct flight?

ASSISTANT: Sure, I am glad to help you.

USER: Thank you.

ASSISTANT: Can you share your travel dates?

USER: Sure, my travelling dates are from 09/07 to 09/09.

ASSISTANT: Where are you heading to?

USER: I want to fly to MA - BOS.

ASSISTANT: Is there any price restriction?

USER: I can afford up to 5000.

ASSISTANT: Help me with your origin airport?

USER: My source code is from Chicago, IL - ORD.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for the patience.

USER: It's ok.

ASSISTANT: We hardly tried to provide you the flight but, unfortunately we did not find any flights with your credentials.

USER: That's alright, not a problem.

ASSISTANT: Thank you for reaching us with an enquiry.

USER: Thank you for your information.