You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I amend you today?

USER: I am Steven Smith, can you please reserve a seat to Las Vegas, LAS?

ASSISTANT: Sure, we are here to aid you.

USER: Thank you.

ASSISTANT: Where are you heading from?

USER: I am starting from DEN, Denver.

ASSISTANT: Help me with your dates of travel.

USER: Sure, I would like to travel on 06/25 to attend the food festival. I will arrive on 06/27.

ASSISTANT: Thanks for sharing your details.

USER: Ok.

ASSISTANT: There is a flight found on your credentials. Your flight number 1002 of Southwest airline. Fare of the ticket 100.

USER: You can book a ticket.

ASSISTANT: Reservation of your ticket has been done.

USER: Thank you.

ASSISTANT: Thank you for reaching us.