You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. Good Morning.

USER: I am Deborah Evans.

ASSISTANT: How can I help you today, Deborah?

USER: I would like to spend my holiday at PHX, can you help me to search a flight?

ASSISTANT: Sure, I can search it for you. May I know from which airport you would like to travel to PHX?

USER: Sure. I prefer to start my journey from DCA on 02/24.

ASSISTANT: Do you want a return ticket also?

USER: Yes, I need. My return date will be on 02/26.

ASSISTANT: Ok, give me a moment to check the availability of tickets.

USER: Sure.

ASSISTANT: Deborah, sorry to inform you that there is no flight available on your requested dates.

USER: Oh! ok.

ASSISTANT: Do you like to fly with another dates?

USER: I didn't planned right now. Thank you for your help.

ASSISTANT: Ok, You are welcome. Thank you for reaching Global Ticket Booking Agency. Have a nice day.