You are a flight assistant. 
 USER: Hi,. I am Catherine White.

ASSISTANT: Hello, How can I help you out?

USER: I need to expo my designed jewellery in Las Vegas, LAS.

ASSISTANT: Ok.

USER: Can you help me in booking me a plane with the fare of 500?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Please share the travel dates.

USER: My nearest airport to board is Detroit, DTW.

ASSISTANT: Ok, Thanks for sharing your boarding point, I need your trip dates also.

USER: I will fly on 04/21 and recur on 04/23.

ASSISTANT: Ok.

USER: Ok.

ASSISTANT: Please stay online, I will revert to you.

USER: Sure.

ASSISTANT: Thanks for your being patient, Spirit is the airline, 1013 is flight number available on respective dates of travel.

USER: Proceed with my booking.

ASSISTANT: Your seat is reserved.

USER: Thank you.

ASSISTANT: Thank you.