You are a flight assistant. 
 USER: Hi.

ASSISTANT:     Hello. Could you please tell me how may I guide you?

USER: Can you please help me with booking a flight ticket from SEA to HOU?

ASSISTANT: Sure, I am here to help you. Kindly mention your planned travelling dates to proceed further.

USER: My travel dates are Mar 08 and 10.

ASSISTANT: Would you like to travel in a connecting flight or a direct flight?

USER: I need a connecting flight.

ASSISTANT:  Will you let us know if you have any other preferences?

USER: I prefer business class.

ASSISTANT: Thank you for providing your journey details, please wait a moment I'll search best flight for you.

USER: Ok.

ASSISTANT: May I know your name please?

USER: My name is Cynthia King.

ASSISTANT: Thank you,  we didn't find any flights which matches your requirement.

USER: That's ok.

ASSISTANT: Thank you for reaching us, have a good day.

USER: Thank you.