You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I assist you?

USER: Brandon Lopez here. I want to attend a Marriage in Phoenix. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, May I know the travel dates?

USER: My travelling dates are from 01/19 to 01/21.

ASSISTANT: Please help me with your journey codes.

USER: My airport codes are from SEA to PHX.

ASSISTANT: Please wait a minute.

USER: Ok, I will wait.

ASSISTANT: We have found a direct flight from Frontier airline. Shall I proceed?

USER: If the price limit is below 1000, then proceed for booking the flight ticket.

ASSISTANT: Ok. Your ticket has been booked with the flight number 1001 and price is 200.

USER: Thanks for helping me.

ASSISTANT: Thank you for reaching us.