You are a flight assistant. 
 USER: Hello, I am Stephen Scott.

ASSISTANT: Hello, how can I support you Stephen Scott?

USER: Can you please book a flight ticket to Philadelphia, PHL as I want to attend for my sister's baby shower program?

ASSISTANT: Sure, I will help you in booking. When do you want to start your journey?

USER: I scheduled my starting of journey to be on 10/01.

ASSISTANT: Ok, Do you need any lay by in between your journey?

USER: Yes, there should be one lay by in between my journey.

ASSISTANT: Can you please mention your source and return date?

USER: As my nearest airport is Austin, AUS, I will board from here. After the completion of trip, I will return on 10/03.

ASSISTANT: Ok, please be on hold.

USER: Ok.

ASSISTANT: Thanks for your time, we found a flight with a lay by in Delta airlines. The flight number is 1023 with price of 100.

USER: You can proceed to reserve this flight.

ASSISTANT: Ok, your ticket has been reserved.

USER: Thank you for your service.

ASSISTANT: Thanks for approaching us.