You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I guide you for today?

USER: I want to reserve my ticket from LAS to DEN, can you please help me?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: Sure, my planned travelling dates are from Dec, 28 to Dec, 30.

ASSISTANT: Do you have any airline preferences?

USER: No, I am ok with any airline.

ASSISTANT: Are you looking for a connecting flight or direct flight?

USER: I am ok with any flight to travel.

ASSISTANT: Do you have any other requirements that you are looking for?

USER: No, please reserve my flight ticket.

ASSISTANT: Can you please provide your name to proceed further?

USER: Sure, my name is Jerry Baker here.

ASSISTANT: Sorry, there are no flights available at your request.

USER: Thank you for your information.

ASSISTANT: Thank you for contacting us, have a nice day.