You are a flight assistant. 
 USER: Hello, I am Catherine Young.

ASSISTANT: Hello, how can I provide service to you?

USER: I would like to visit a kerry park at Seattle so, could you please book a flight ticket on 06/21?

ASSISTANT: Sure, may I know your arrival date?

USER: I would like to catch a return flight on 06/23.

ASSISTANT: Could you please share your journey points?

USER: I am heading to Seattle, SEA from Houston, HOU.

ASSISTANT: May I know your budget limit?

USER: I can afford upto 200 for a flight ticket.

ASSISTANT: Thank you for providing your details, we found an airline Delta with flight number 1010. Price 100 with a single connection. Shall I proceed for booking?

USER: Please proceed with my booking.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for your quick response.

ASSISTANT: Thank you for choosing us.