You are a flight assistant. 
 USER: Hello, I am Emma Clark.

ASSISTANT: Hello, how can I assist you?

USER: I want to visit the Grand Canyon Adventure in Detroit, Can you book me a ticket on 01/29 and return on 01/31?

ASSISTANT: Sure, Can you please provide your price limit?

USER: The price should not exceed 500. I need a single connection.

ASSISTANT: Ok, please provide your airport codes.

USER: My airport codes are WA - SEA and MI - DTW.

ASSISTANT: Ok, please give me a minute.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a Southwest plane with price 400. Shall I proceed with flight number 1006?

USER: You can proceed for booking.

ASSISTANT: Sure, your ticket has been confirmed.

USER: Thank you for the help.

ASSISTANT: Thank you for contacting us.