You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Eric Davis.

ASSISTANT: How may I assist you?

USER: I need a direct flight which is travelling from PHX to CLT. Please help me in booking my ticket.

ASSISTANT: Sure, can I have your planned travel dates please?

USER: Sure, my planned travelling dates are from 02/05 to 02/07.

ASSISTANT: Please hold on a moment, Davis.

USER: Sure, take your time.

ASSISTANT: Davis, no flights has been found on your preferences.

USER: It's ok, thank you for your help.

ASSISTANT: Thank you for choosing us.