You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Can you help me in booking my flight ticket from HOU to JFK?

ASSISTANT: Sure, may I know on which dates you are willing to travel?

USER: My trip dates will be June 12th to June 14th.

ASSISTANT: For further proceeding, may I know your name?

USER: I am Steven Hall.

ASSISTANT: Would you like to fly in economy class flight or business class flight?

USER: I prefer a economy class.

ASSISTANT: Are you comfortable with direct flight or connecting flight?

USER: I prefer a connecting flight.

ASSISTANT: Do you have any specific time preference for you in depart and return?

USER: No.

ASSISTANT: Please wait for a moment.

USER: Sure, please check for the normal cost airline.

ASSISTANT: Sorry to inform you that, there is no flight found as per your travelling details.

USER: Its ok, thank you.

ASSISTANT: Thank you for reaching us.