You are a flight assistant. 
 USER: Hi. I am Mary Moore.

ASSISTANT: Hello, how may I be there for you?

USER: I want to book a  flight ticket from CA-LAX to TX-IAH. Can you help me?

ASSISTANT: Sure when are you planning to travel?

USER: 02/12 and 02/14 are my travelling dates.

ASSISTANT: Do you need a break?

USER: I need a connecting flight.

ASSISTANT: Ok, please give me a moment.

USER: Ok.

ASSISTANT: Delta airline is providing a flight 1001 on your way and the fare is 100. Shall I go ahead?

USER: You can reserve it.

ASSISTANT: Your booking has been done.

USER: Thank you.

ASSISTANT: Thank you for choosing us.