You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I want to book a flight ticket from IAH to DTW. Could you help me in booking?

ASSISTANT: Ok, please can I know your dates of journey?

USER: My travelling dates are from Feb 24-26.

ASSISTANT: Ok, please provide me the connection limit you need.

USER: I prefer for single connection.

ASSISTANT: Ok, please can I know your other specifications? May I know your name to proceed?

USER: My return time should be in the evening. Catherine Smith here.

ASSISTANT: Sorry, there are no flights available at your location to proceed with the booking.

USER: That's ok, no problem.

ASSISTANT: Thank you for connecting with our agency.

USER: Thank you.