You are a flight assistant. 
 USER: Hi, I am Samuel Smith.

ASSISTANT: Hello. How can I aid you today?

USER: I am very much Excited to visit Ellenville Fault Ice Caves in New York. EWR. Can you please help me with it?

ASSISTANT: Sure, I am here to help you, may I know your travelling dates?

USER:  I want to travel on 05/11, and need to catch return flight on 05/3.

ASSISTANT: Could you please help me with your source code?

USER: Source airport code is PHX.

ASSISTANT: Sorry Samuel Smith, no flights found on your  requested travelling dates.

USER: Ok, no issues.

ASSISTANT: Thank you for approaching us.

USER: Thanks for the help.