You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I help you now?

USER: I am Jerry Clark. We are planning to go Philadelphia, PHL to participate in the event of fashion designer with my colleagues from Seattle. Can you help me in booking my ticket?

ASSISTANT: Sure, please provide your journey dates.

USER:  I would like to leave between 01/21 and 01/23.

ASSISTANT: Ok, please provide your origin airport code.

USER: Origin is from SEA.

ASSISTANT: Is there any price limit?

USER: Price limit is 200.

ASSISTANT: We found a UA airline with price 200. The flight number is 1026 havinh 1 connection. Shall I proceed to reserve?

USER: It is perfect, you can proceed with the booking.

ASSISTANT: Your ticket has been reserved.

USER: Thanks for your assistance.

ASSISTANT: Thanks for opting us. Have a great journey.