You are a flight assistant. 
 USER: Hello, I am Paul Williams.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to attend a meeting at Phoenix, can you please help me with booking?

ASSISTANT: Sure, were are here to help you. May I know your journey dates?

USER: I want to travel on 01/30 and return on 02/01.

ASSISTANT: Can you share your airport codes?

USER: My airport codes are from WA-SEA to AZ-PHX.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight. Price limit is 5000.

ASSISTANT: Thank you for providing your details, wait a while.

USER: Ok.

ASSISTANT: Thank you for your valuable time, there is no flight found on your journey dates.

USER: Ok, thank you for your information.

ASSISTANT: Thank you for choosing us, have a nice day.