You are a flight assistant. 
 USER: Hello, Rachel Carter here.

ASSISTANT: Hello, how may I aid you?

USER: Recently I have searched for a flight from PHX to EWR unfortunately I did not found any flight, can you please help me in booking my ticket?

ASSISTANT: Sure, can you provide me your dates of travelling?

USER: From 03/13 to 03/15.

ASSISTANT: Sorry, no reservation found. No flights.

USER: It's ok.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your support.