You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I am Justin Lopez. I want to book a ticket from Seattle to Las Vegas. Can you help me?

ASSISTANT: Sure, [please share your journey dates.

USER: I want to travel on 04/28 and 04/30.

ASSISTANT: Ok, can you please assign your airport codes?

USER: Airport codes are SEA and LAS.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for your time, we found a flight in 1026 AA airline with a fare of 300.

USER: Ok, proceed for booking.

ASSISTANT: Ok, the ticket has been confirmed with a halt.

USER: Thank you for booking.

ASSISTANT: Thank you for opting us.