You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Deborah Phillips here.

ASSISTANT: How can I help you Deborah Phillips?

USER: I'm planning to visit some of the tourist places at Las Vegas, can you please help me in booking a ticket for me?

ASSISTANT: Sure, I will help you with this. Can you please provide your travelling dates?

USER: My journey dates are 01/06 and 01/08.

ASSISTANT: May I know your nearest airport codes please?

USER: My airport codes are MCO and LAS.

ASSISTANT: Sorry for inconvenience, there are no flights available on this route due to heavy bookings.

USER: That's ok, thank you for your time.

ASSISTANT: Thank you for contacting us.