You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you today?

USER: I want to attend a business meeting held at New York, EWR. Can you help me to book a flight ticket from Seattle, SEA?

ASSISTANT: Sure, when are you planning to travel?

USER: I planned my trip on the dates Apr 21 and Apr 23.

ASSISTANT: Any preferences?

USER: No, other preferences. Anyway thank you for asking.

ASSISTANT: Can you share your name please?

USER: Sure, please book the ticket under the name Barbara Carter.

ASSISTANT: Frontier Airlines have a direct flight with number 1014 for fare 100, shall I proceed?

USER: Yes, please proceed with this flight.

ASSISTANT: Your ticket is reserved in economy class.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.