You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Can you please make a reservation from JFK to HOU to attend a meeting in Houston?

ASSISTANT: Sure, please share me your trip dates.

USER: My journey dates are on Aug 1st and 3rd.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I prefer a connecting flight.

ASSISTANT: For booking, we need your good name. Please mention it.

USER: My name is Elizabeth Miller.

ASSISTANT:  Is there any other specifications?

USER: I prefer to travel in  economy class.

ASSISTANT: Sorry to say that, there are no flights available on the routes of your journey.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.