You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I planned to meet my friend in IAH, can you please help me to book a flight ticket from DTW?

ASSISTANT: Sure, May I know your travelling dates?

USER: I prefer to travel on Nov 20 and Nov 22.

ASSISTANT: Ok, May I know your connection limit?

USER: I prefer to travel in a connecting flight.

ASSISTANT: Ok, Do you have any class preference?

USER: No.

ASSISTANT: Ok, Is there any other preferences?

USER: No.

ASSISTANT: Thank you for providing details, we found a connecting flight in 1003 Delta Airlines with a fare of 100. Can I proceed?

USER: Ok, please confirm my booking.

ASSISTANT: May I know your name?

USER: I am Mary Nelson.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.