You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Catherine Harris.

ASSISTANT: How may I be of your service?

USER: I need a flight ticket booking from DTW to IAH to attend a seminar, so can you please help me with flight ticket booking?

ASSISTANT: Sure, we are here to make your journey comfort.

USER: Thank you.

ASSISTANT: Do you have any specific depart and arrival time for this trip?

USER: Yes, I would like to depart in the afternoon time and I need a flight which will return in the evening time.

ASSISTANT: Please let me know if you need a connecting flight.

USER: Yes, I need a single connecting flight.

ASSISTANT: May I know if you prefer to have any other comforts in your journey?

USER: That's it, no other comforts that I have to tell you.

ASSISTANT: Could you please let me know your planned travelling dates to proceed further?

USER: Sure, my planned travel dates are May 9th and recur back on May 11th.

ASSISTANT: Ok, please wait a moment.

USER: Sure, take your time.

ASSISTANT: Thank you for waiting, we found an economy class ticket providing by UA airline with the flight number-1018. Shall I book the ticket?

USER: Yes, you can proceed with flight ticket booking.

ASSISTANT: Your ticket has been confirmed with connectng flight and your depart time in the afternoon.

USER: Thank you for your quick help in my flight ticket booking.

ASSISTANT: It's pleasure to serve you.

USER: Welcome.