You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am Elizabeth Wright. I would like to travel from BOS to IAD. Can you please help me to book a ticket?

ASSISTANT: Sure, may I know your travel dates?

USER: My travelling dates will be on May 24 to May 26.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight with normal - cost airlines. I prefer business class.

ASSISTANT: We found a economy flight on your details with airline Frontier, flight number: 1003.

USER: Do not proceed.

ASSISTANT: Ok.

USER: Thank you for your information.

ASSISTANT: Thank you.