You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Timothy Mitchell here. Can you find a flight on 05/29 to go to SEA to enjoy with my family, can you find a flight?

ASSISTANT: Yes, I will help you. Let me know your remaining details?

USER: My return trip is on 05/31 and my source is PHX.

ASSISTANT: Sorry.

USER: Make that I need 1 drop in my journey.

ASSISTANT: There is no flight as per your requests.

USER: Ok, no problem, thanks for searching and quick response.

ASSISTANT: Thank you for choosing us.

USER: Thank you.