You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: Rebecca Collins here. I want to book a flight ticket from DTW to MCO. Can you help me in that?

ASSISTANT: Can you share me your travelling dates?

USER: My trip dates are Aug 01 to Aug 03.

ASSISTANT: Is there any class specification?

USER: I prefer economy class.

ASSISTANT: Ok, do you require any connection limit?

USER: I prefer connecting flight.

ASSISTANT: Ok, may I know your departure and arrival timings?

USER: My return time should be in the afternoon.

ASSISTANT: Ok, do you have any other specifications?

USER: I need to travel in economy class.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Sorry, there are no flights found with your requirements.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you.