You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am Debra Rodriguez. Will you help me in booking a flight ticket from Philadelphia, PHL to go for holiday trip?

ASSISTANT: Sure, May I know your landing airport code?

USER: I have to land at Las Vegas, LAS.

ASSISTANT: Could you please mention your travel dates?

USER: I am willing to travel on 04/10 and return on 04/12.

ASSISTANT: Ok, please hold on.

USER: Sure.

ASSISTANT: We found a connecting flight with a fare of 100 in Frontier airlines. Shall I proceed?

USER: Please, proceed.

ASSISTANT: Sure, your reservation is done with 1015 flight number.

USER: Thank you for your service.

ASSISTANT: Thank you for availing us.