You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you?

USER: I need to book a flight ticket from LAX to DCA, Can you please help me for booking?

ASSISTANT: Sure, please let me know on what name you want me to make the reservation.

USER: Carolyn White here.

ASSISTANT: When are you planning to travel?

USER: I would like to travel on 10/31 to 11/02.

ASSISTANT: How many connections are required for this particular booking?

USER: I need a direct flight.

ASSISTANT: Is there any other requirements?

USER: No.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting Carolyn White, we regret to inform that there are no flights available on the dates you required.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thank you for approaching us.