You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: Can you please help me to book a flight ticket with single connection from Denver to visit  Liberty Bell in PA?

ASSISTANT: Sure. May I know your name?

USER: I am Christoper Rodriguez.

ASSISTANT: Please share me your nearest airport codes.

USER: My boarding and landing airport codes are DEN and PHL.

ASSISTANT: Can I know your travelling dates?

USER: I would like to depart on Nov 14th and my return date will be on Nov 16th.

ASSISTANT: When would you like to depart and return?

USER: No, I don't have any time concern.

ASSISTANT: Do you have any other comforts to make your journey?

USER: No. Make sure, I need a normal cost airline.

ASSISTANT: Ok. Please wait a while.

USER: Sure.

ASSISTANT: We found a direct flight at this moment. Can I reserve it?

USER: That's fine, you can book the direct flight.

ASSISTANT: Your flight ticket has been reserved with Hawaiian airline, flight number:1009.

USER: Thank you for your support in booking.

ASSISTANT: Thank you for choosing us.