You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I have to attend a Music Concert at Detroit, could you please help me with booking a flight ticket from IAH to DTW?

ASSISTANT: Sure, please provide your itinerary dates.

USER: I would like to depart on Nov 22nd and return on Nov 24th.

ASSISTANT: Which class do you prefer?

USER: I need a business class flight.

ASSISTANT: May I know your connection limit?

USER: I am looking for a connecting flight.

ASSISTANT: Please wait for a while.

USER: Sure, take your time.

ASSISTANT: May I know your name?

USER: I am Kevin Mitchell.

ASSISTANT: Sorry Kevin Mitchell, no flights are available on your planned dates.

USER: Ok, not an issue. Anyways, thank you for the information.

ASSISTANT: Thank you for choosing us.