You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Jessica Scott here.

ASSISTANT: Hello Jessica.

USER: I am planning to visit Las Vegas in this winter, please help me in booking a ticket from PHX to LAS.

ASSISTANT: Sure, please help me with dates.

USER: I want to travel on 02/22 and 02/24.

ASSISTANT: Please give me a moment.

USER: Ok.

ASSISTANT: There is a flight available with UA airlines, shall I book it?

USER: May I know the price and connection details?

ASSISTANT: Yes, its cost is 200, and connection is limited to 1.

USER: Perfect, please book it.

ASSISTANT: Your ticket is confirmed, flight number is 1009.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.