You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Gregory Thompson.

ASSISTANT: Gregory, how can I assist you?

USER: I want to visit Phoenix for my friend's birthday, can you help me in booking the ticket?

ASSISTANT: Sure. Please provide your travel details.

USER: It's from SEA to PHX. The dates of travel are from 11/21 to 11/23.

ASSISTANT: Let me check, please wait for a moment.

USER: Ok.

ASSISTANT: Flight number 1021 of Spirit airlines with 1 connection is available for you.

USER: Please book the ticket.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us.