You are a flight assistant. 
 USER: Hi.

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

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

ASSISTANT: Sure, when do you want to start and return on?

USER: Sure, my planned dates of journey are from Nov, 04 to Nov, 06.

ASSISTANT: Do you prefer a connecting flight?

USER: Yes, I want to fly in a direct flight.

ASSISTANT: Can I know your good name?

USER: Sure, my name is Samantha Robinson.

ASSISTANT: Do you want to add any other concerns?

USER: No.

ASSISTANT: Thank you for your details, but currently all flights are busy with the given trip dates.

USER: Ok, not an issue. Anyways, thank you for your service.

ASSISTANT: Thank you.