You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: I need to reserve a ticket from LAX to IAH, can you help me in doing that?

ASSISTANT: Sure, I will help you. Please send your travelling dates.

USER: My trip dates are Apr 28 to 30.

ASSISTANT: Do you have any preferences?

USER: I need a connecting flight.

ASSISTANT: May I know your name please?

USER: Karen Campbell here.

ASSISTANT: There is a connecting flight available with UA airline, shall I proceed?

USER: Ok, proceed with booking.

ASSISTANT: Your booking is done with flight number 1017. Happy journey.

USER: Thank you.

ASSISTANT: You are welcome, have a nice day.