You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you with?

USER: I am Emma Harris. Could help me in booking a flight ticket from to phoenix PHX to Washington IAD?

ASSISTANT: Sure Emma, could you help me with your dates and limits?

USER: Sure, I want to travel for my friend marriage on. 04/19 to 04/21. And, my price is 1000 with single connection limit.

ASSISTANT: Sure, there is a flight-1026 which matches all your requests. Can I proceed?

USER: Sound's good, you can proceed please?

ASSISTANT: Thank you for showing interest, your ticket is booked.

USER: OK, thank you, for your help.

ASSISTANT: Thank you for choosing us, hope you have a safe journey.