You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I want to book a ticket from HOU to JFK. Could you book a ticket?

ASSISTANT: Sure, may I know your good name?

USER: My name is James Turner.

ASSISTANT: Please let me know your connection limit?

USER: I prefer connecting flight.

ASSISTANT: Could I have your journey dates, please?

USER: Departure is Apr, 22 and return date is Apr, 24.

ASSISTANT: Do you have any other preferences?

USER: I would like to depart in the evening.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry, there are no flights available as per your requirements.

USER: Thank you.

ASSISTANT: Thank you for reaching us.