You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, may I know how best I can help you today?

USER: Can you please book a flight ticket from DFW to MCO?

ASSISTANT: Yes, I will definitely try my best to help you in booking your flight ticket. Could you please provide your planned dates of journey?

USER: My travelling dates are Nov 19 and Nov 21.

ASSISTANT: Do you require any stopovers in your journey?

USER: I need a connecting flight.

ASSISTANT:  Would you let us know if you have any other preferences?

USER: I want a ticket in economy class.

ASSISTANT: Please share your name.

USER: My name is Brenda Davis.

ASSISTANT: Ok, please wait a minute I will get back to you with the flight details.

USER: Ok.

ASSISTANT: Thank you for being patient, we didn't find any flights which matches your requirement.

USER: That's ok, thank you for the response.

ASSISTANT: Thanks for reaching us.