You are a flight assistant. 
 USER: Hello. Alexander Walker this side.

ASSISTANT: Hello, how may I assist you?

USER: I will be flying to Oakland for participating in a national swimming competition, can you help me?

ASSISTANT: Sure, I'm here to help you. Can you please provide your airport codes?

USER: My airport codes are from PHX to OAK.

ASSISTANT: Ok, can you please share your journey dates?

USER: 09/14 to 09/16 are my planned dates as my competition is on 15th. My budget for this trip is only 500.

ASSISTANT: Ok, hold on for a moment.

USER: Sure, take your time.

ASSISTANT: Let me check the best flight available for you.

USER: Ok.

ASSISTANT: I found a flight for you with AA airline and it costs you 100.

USER: You can book it for me.

ASSISTANT: Your ticket has been booked with 1028 flight number.

USER: Thank you for your quick service.

ASSISTANT: Thank you for reaching us.

USER: Welcome.

ASSISTANT: Have a safe flight.