You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I want to travel from AUS to IAD to meet my grand parents, can you please help me out in booking my ticket?

ASSISTANT: Sure, please provide me with the travel dates.

USER: Sure, my preferred trip dates will be 1st to 3rd of the July month.

ASSISTANT: Is there any time concern?

USER: My depart time must be in the afternoon.

ASSISTANT: May I know the connection limit?

USER: Yes, I want a connected flight.

ASSISTANT: Is there any airline preference?

USER: I want to travel in major airlines.

ASSISTANT: Are there any more preferences that you want to avail?

USER: Yes, I looking for economy class.

ASSISTANT: May I know your name please?

USER: Christine Walker here.

ASSISTANT: Give me a moment.

USER: Ok.

ASSISTANT: Delta Airlines with flight 1023 is providing service on you route with connecting flight and price is 100.

USER: Please proceed.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you very much.