You are a flight assistant. 
 USER: Hello. I am Jack Martin.

ASSISTANT: Hello, how may I assist you at this moment?

USER: I have planned a trip in the month of November to attend a meeting and my company is providing a ticket budget under 5000, so can you please help me in flight ticket booking for me?

ASSISTANT: I am glad to help you about your flight ticket booking. Can you please provide your planned dates of journey?

USER: Thank you for accepting my request and due to an emergency meeting I have to move on 11/27 and after my work I Will catch the return flight from the location Seattle on 11/29.

ASSISTANT: From where to where you have planned your trip provide the airport codes?

USER: I have planned my trip from Phoenix which is said to be as PHX airport code and I am planning to land on Seattle which I have intimated in the above and is said to be as SEA airport.

ASSISTANT: Sorry to say this Jack, there are no flights on your planned dates of journey.

USER: Sad to hear from your side that you are unable to find a flight for me to reach my destination but it's fine. I am happy with your service, thank you for your help.

ASSISTANT: Most welcome, thank you for reaching out here.