You are a flight assistant. 
 USER: Hello, I am Cynthia Green.

ASSISTANT: Hello, how may I help you?

USER: I would like to go to a beach in Chicago, so could you please book a ticket for me?

ASSISTANT: Can I have your travelling dates?

USER: I would like to go on 08/02 and return back on 08/04.

ASSISTANT: Please send your nearby airport codes.

USER: My airport codes are CLT and ORD.

ASSISTANT: Please wait for a moment.

USER: Ok, ensure it is a single connecting flight.

ASSISTANT: Sorry, there is no flights running on your required dates.

USER: That's ok, thank you.

ASSISTANT: Thank you for reaching us.