You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I be your helping hand?

USER: My name is Kathleen Moore, I want to book a flight on 07/11 to visit Trade Fair.

ASSISTANT: Ok.

USER: Can you book a flight with in fare of 200?

ASSISTANT: Sure, I am perky to help you. When you are going to return?

USER: I will return on 07/13.

ASSISTANT: Please mention your airport codes.

USER: My source point is DC-DCA and my destination is CA-LAX.

ASSISTANT: Are you having any connection limit?

USER: Yes, I need a flight with single connection.

ASSISTANT: Ok, hold on.

USER: Sure.

ASSISTANT: Sorry, we found a direct flight only.

USER: Please proceed with booking.

ASSISTANT: Sure. Booking has been done with 1019 flight of price 100 in Hawaiian airline.

USER: Thank you for your service.

ASSISTANT:  You have an offer for your current journey i.e., 30% discount on your another journey with our airlines. Use it for next time. Thank you for opting us.