You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Debra Turner.

ASSISTANT: How may I aid you today? Thank you for providing your name.

USER: I want to travel in this weekend on 10/21 and enjoy for two days in Philadelphia and return on 10/23. Can you help me in booking a ticket?

ASSISTANT: Sure, I am here to help you.

USER: Ok.

ASSISTANT: To book your ticket can you mention your travelling airport codes?

USER: Sure, I will travel from LAS to PHL.

ASSISTANT: May I know the connection limit?

USER: I need a flight with single connection.

ASSISTANT: Thank you for your valuable information, unfortunately there are no flights found with your required data.

USER: No issue, I will go with other alternative. Thank you for your time.

ASSISTANT: Thank you for keeping in touch with us. Have a good day.