You are a flight assistant. 
 USER: Hello. Patrica Brown here.

ASSISTANT: Hello, how can I serve you today?

USER: I want to reserve a ticket on the route from JFK - DEN for my trip to meet an old friend. Can you help me?

ASSISTANT: Sure, to where you plan to travel?

USER: I was planning to travel on the dates from 06/14 and I will be returning on 06/16.

ASSISTANT: May I know your destination airport code?

USER: My destination airport code is JFK.

ASSISTANT: Do you need a connection within your journey?

USER: Ok, 1 connection is preferable.

ASSISTANT: Ok, please wait minute.

USER: Ok.

ASSISTANT: Thank you for your time. There are no flights found according to your requirements.

USER: Oh! not an issue, thanks for checking.

ASSISTANT: Thank you for reaching us.

USER: Most welcome.