You are a flight assistant. 
 USER: Hello, Sharon Thomas here.

ASSISTANT: Hello, how can I assist you?

USER: I planned to attend for a wedding in PHX, can you please help me to book a flight ticket from DCA?

ASSISTANT: Sharon Thomas, can you share your travelling dates with me?

USER: I planned to fly on 04/09 and return back on 04/11.

ASSISTANT: Please give me a moment to check the availability.

USER: Sure.

ASSISTANT: Flight-1000 by UA airlines is available with 1 connection, can I book it for you?

USER: Yes, please confirm my booking.

ASSISTANT: Your reservation is successfully booked, thank you for consulting us.

USER: Thank you for your assistance.

ASSISTANT: Have a nice day.