You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, do you need any help from us?

USER: Can you please help me to book a ticket from DEN to JFK?

ASSISTANT: Sure, could you please share your departure and arrival day?

USER: My travelling dates will be on Feb 8 to Feb 10.

ASSISTANT: Ok, could I have your name please?

USER: Janet Thomas here.

ASSISTANT: Ok, do you need direct or connecting flight?

USER: I need a connecting flight.

ASSISTANT: Ok, please allow me a moment.

USER: I would like to travel in a normal-cost airline.

ASSISTANT: Sorry, there is no flight on your requested travelling dates.

USER: Ok, not an issue. Thank you.

ASSISTANT: You are welcome, have a great day.