You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Dorothy Collins. I want to book a flight ticket from Houston IAH to New York JFK. Can you find a flight ticket for me?

ASSISTANT: Sure, I can help you with that. May I know your travel dates please?

USER: Sure, my itinerary dates are on Apr 22 and return on Apr 24.

ASSISTANT: May I know your class preference please?

USER: No, but I need a single connecting flight.

ASSISTANT: Do you have any time concern?

USER: Yes, I want to return in the morning time.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Spirit airlines is providing a flight on that route with ticket fare of 100 and 1 connection, it's return time is 4 AM. Shall I proceed for booking?

USER: Ok, you can proceed with the ticket booking.

ASSISTANT: I have successfully booked you an economy class ticket in flight-1003, have a safe journey.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.