You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am planning for a Las Vegas trip for one day with my friends. Can you help me with booking on 12/23?

ASSISTANT: Sure, please share me your return date?

USER: I intend to return on 12/25.

ASSISTANT: Kindly please mention me your airport codes?

USER: My boarding point is PA-PHL and landing point is NV-LAS.

ASSISTANT: Thanks for your details, we found 1010 Southwest airline with single connection and price of 100. Shall I proceed with booking?

USER: Please book my ticket.

ASSISTANT: We need your name to proceed?

USER: I am Ashley Lee.

ASSISTANT: Your ticket has been booked.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us.