You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Karen Edwards here. Please help me out in booking the ticket from OAK to IAH.

ASSISTANT: Sure, may I know your class preferences?

USER: Economy is my class preference.

ASSISTANT: Can I know your travelling dates to search for the flight?

USER: My trip dates will be Feb 26 to Feb 28.

ASSISTANT: Do you have any requirements?

USER: I want a connected flight.

ASSISTANT: There is a connecting flight 1010 of Frontier airlines, can I proceed?

USER: Please proceed.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Welcome.