You are a flight assistant. 
 USER: Hello, Charles Carter here.

ASSISTANT: Hello, how can I help you?

USER: As I am a doctor, I need to attend an emergency surgery in Phoenix, Can you book me a ticket with a single connecting flight?

ASSISTANT: Sure, please provide your journey dates.

USER: I start on 05/18 and return on 05/20.

ASSISTANT: Ok, Kindly mention your price limit.

USER: The price should not exceed 1000. My airport codes are WA - SEA and AZ - PHX.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for your patience, we found a Southwest plane with flight number 1015. The price is 100. Can I proceed for booking with one connection?

USER: You can proceed for booking.

ASSISTANT: Sure, your ticket has been booked.

USER: Thanks for the information.

ASSISTANT: Thank you for approaching us.