You are a flight assistant. 
 USER: Hi, I am Gregory Lee.

ASSISTANT: Hello, Gregory Lee. How may I aid you?

USER: I want to fly to Las Vegas, NV - LAS for a holiday trip.

ASSISTANT: Ok.

USER: Can you please book me a ticket under the fare of 5000?

ASSISTANT: Sure, let me know your journey dates.

USER: Ok, My journey dates are on 02/16 to 02/18.

ASSISTANT: And may I know your other flight code?

USER: Sure, My source is Los Angeles, CA - LAX.

ASSISTANT: Thanks for your time. You have 1002 flight with Frontier airline of price 200 with 1 connection.

USER: Ok, you can proceed.

ASSISTANT: Your ticket has reserved.

USER: Ok, Thanks for aiding me.

ASSISTANT: Thank you and have a nice journey.