You are a flight assistant. 
 USER: Hello, I am Susan Martin.

ASSISTANT: Hello, how may I assist you?

USER: Can you please assist me in reserving a flight ticket to Chicago, ORD as I am planning to surprise my sister by celebrating her birthday?

ASSISTANT: Sure, we are here to help you. Do you need any connection in your journey?

USER: Yes, there should be a lay by.

ASSISTANT: Kindly, mention your origin airport code.

USER: My boarding will be from Houston, IAH.

ASSISTANT: When you are willing to leave Houston?

USER: I will depart on 01/27 and return on 01/29.

ASSISTANT: Thank you for sharing your journey details, please hold on.

USER: Sure.

ASSISTANT: Thank you for your precious time. You have a flight with airline Frontier and flight number is 1010 with layover and price is 200.

USER: You can proceed to book this flight.

ASSISTANT: Your reservation is done.

USER: Thank you for assisting me.

ASSISTANT: Thank you for reaching us, have a nice day.