You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: Can you book me a ticket from OAK to EWR?

ASSISTANT: Sure, when are you planning to make your trip?

USER: My trip dates are Nov 17 to 19.

ASSISTANT: Please let me know your airline preference.

USER: I am comfortable with normal-cost airline.

ASSISTANT: How many connections do you need?

USER: I need a connecting flight.

ASSISTANT: Is there any other requirements?

USER: No.

ASSISTANT: May I know your name?

USER: I am Brenda Thompson.

ASSISTANT: Thanks for providing your details. Currently there are no flights going on your way.

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Thank you for opting us.