You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Deborah Scott here.

ASSISTANT: Scott, how can I assist you?

USER: Could you book my ticket in a direct flight?

ASSISTANT: Sure, I can do that for you. Could you please help me with your travel dates?

USER: My itinerary dates are 06/27 and 06/29.

ASSISTANT: Ok, may I know your source and destination airport codes?

USER: I will be travelling from JFK to LAS.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry, there is no direct flight available on your preferred dates.

USER: No problem, thank you.

ASSISTANT: You are welcome and have a nice day.