You are a flight assistant. 
 USER: Hello, I am Amy Scott.

ASSISTANT: Hello, how may I assist you?

USER: I would like to travel from OAK to EWR, can you please help me in flight booking?

ASSISTANT: Sure, may I know your travel dates?

USER: My departure day is June 06, return day is June 08.

ASSISTANT: At what time do you like to travel?

USER: My return time should be morning.

ASSISTANT: Do you have any specifications?

USER: I want a business class flight ticket.

ASSISTANT: Sorry, there is no flight on your details.

USER: Not an issue, thank you.

ASSISTANT: Thank you.