You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I useful to you?

USER: I am Margaret Walker.

ASSISTANT: Ok.

USER: Can you please help me to book a flight ticket from HOU to ORD?

ASSISTANT: Sure, I will help you with the booking. Can you please let me know your travelling dates?

USER: My travelling dates are from Apr 23 to Apr 25.

ASSISTANT: Ok, do you need any break in between journey?

USER: I need a break in between my journey.

ASSISTANT: Thanks for providing details, we found a connecting flight with AA airline and the flight number is 1019. Shall I proceed?

USER: Ok, proceed to book.

ASSISTANT: Ok, your ticket has been reserved in economy class with a fare of 100.

USER: Thank you for your booking.

ASSISTANT: Thank you for reaching us.