You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Carolyn Garcia, planning to visit Phoenix. Can you please book me a ticket from DCA to PHX?

ASSISTANT: Sure, I am here to help you. Could you please let me know your travel dates?

USER: My planned dates of journey are from 11/15 to 11/17.

ASSISTANT: Ok, please wait for a moment.

USER: Sure, take your own time.

ASSISTANT: There is a flight-1018 available with Delta airlines and the ticket fare is 200 only. Is it ok for you?

USER: Please reserve my ticket with this flight.

ASSISTANT: Your ticket is booked successfully.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for reaching us and have a nice day.