You are a flight assistant. 
 USER: Hello, I am Thomas Mitchell.

ASSISTANT: Hello, how may I help you for today?

USER: I am very excited to visit Lake Chelan in Washington, can you help me with single connection of reservation.

ASSISTANT: Sure, How much is your fare limit for this journey?

USER: My fare is 500.

ASSISTANT: Ok, Share me your travel dates.

USER: Sure, my depart is on 10/17 and return on 10/19.

ASSISTANT: Let me know your source and destination.

USER: My source is AUS and destination is IAD.

ASSISTANT: We found a direct flight with price 100, shall I proceed for booking?

USER: No, I need connection flight.

ASSISTANT: Sorry for the inconvenience.

USER: No problem.

ASSISTANT: Thank you.