You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Could you please book a ticket with a connecting flight from JFK to SEA?

ASSISTANT: Sure, I will help you to book a flight ticket. Can you please share me your travelling dates?

USER: My travelling dates are Jan 20 and Jan 22.

ASSISTANT: Ok, do you have any connection limit?

USER: I already mentioned above.

ASSISTANT: Ok, may I know your arrival and departure time?

USER: I don't have any particular timings.

ASSISTANT: Ok, do you have any other specifications?

USER: I prefer to travel in normal cost airline.

ASSISTANT: Ok, may I know your name?

USER: My name is Joseph White.

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

USER: Not a problem, thank you for the information.

ASSISTANT: Welcome. Have a nice day.