You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I am looking for a flight which travel to PHL, can you help me out?

ASSISTANT: Ok, may I know your trip dates too?

USER: My travelling dates are 11/10 and 11/12.

ASSISTANT: Ok, may I know your source code?

USER: My source airport code is SEA.

ASSISTANT: May I know your name in the meanwhile?

USER: My name is Amy Garcia.

ASSISTANT: Sorry Amy Garcia, there is no flight found on your route.

USER: Ok, no issues. Thank you for your help.

ASSISTANT: Welcome, have a good day.