You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Will you help me in booking the flight ticket from JFK to IAH?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My travelling dates are Aug 17 and Aug 19.

ASSISTANT: Do you have any limits on number of connections?

USER: I need a flight with single connection.

ASSISTANT: Do you have any another specifications on your journey?

USER: I prefer to travel in normal-cost airlines.

ASSISTANT: May I know your name for the booking process?

USER: Myself Timothy Hill.

ASSISTANT: Sorry, no flights are available on your route.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Welcome, thank you for reaching us.