You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: I am David Allen, I want to book a flight on 10/01 to see my family to Seattle. Can you help you book a connecting flight?

ASSISTANT: Sure, can you please provide your journey dates?

USER: I will return on 10/03.

ASSISTANT: Kindly mention your airport locations?

USER: My source point is TX-AUS and destination is WA-SEA.

ASSISTANT: May I know your budget for airfare?

USER: My budget is 500.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: We have found a connected flight of AA airline, flight number-1026 and fare is 100.

USER: Please proceed with booking.

ASSISTANT: Sure, your reservation has been done.

USER: Thank you for your service.

ASSISTANT: Thank you for availing us.