You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I want to travel from LAX to OAK. Please help me in booking my ticket.

ASSISTANT: Sure, please provide your trip dates.

USER: My trip dates are from 04/03 to 04/05.

ASSISTANT: Ok, do you have any other requirements?

USER: I am looking for economy class with 1 connecting flight.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Do you have airline preference?

USER: Please check for the normal cost airline.

ASSISTANT: May I know your name?

USER: My name is Jason Campbell.

ASSISTANT: Sorry, there is no flights available.

USER: It's ok, thank you.

ASSISTANT: Most welcome.