You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I serve you today?

USER: Can you please help me in booking a flight ticket to HOU from DFW?

ASSISTANT: Sure, may I know your name please?

USER: I am Brian Baker.

ASSISTANT: Do you need a break in between your journey?

USER: I need a connecting flight.

ASSISTANT: Please share your planned travelling dates to proceed further.

USER: My travel dates are from 10/03 to 10/05.

ASSISTANT: Please share your class preference.

USER: I would like to travel in economy class.

ASSISTANT: Is there any other specifications?

USER: I need to return in the afternoon.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Thank you for waiting, sorry to inform you that there are no flights found with your essential details.

USER: Ok, no problem.

ASSISTANT: Thank you for choosing us.

USER: Thank you.