You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I would like to attend a event held at Oakland, please help me in booking a ticket from JFK to OAK.

ASSISTANT: May I know your good name please?

USER: My name is Michael Evans.

ASSISTANT: May I know your travel dates?

USER: My planned travel dates are on Apr 03 and Apr 05.

ASSISTANT: Do you have any airline preferences?

USER: Yes, I prefer normal-cost airline.

ASSISTANT: May I know your class preferences?

USER: Any class is comfortable for me.

ASSISTANT: Is there any other preferences?

USER: I need a break in between my journey.

ASSISTANT: Any time preferences for you?

USER: No, thank you for asking.

ASSISTANT: Shall I proceed.

USER: Yes, please proceed.

ASSISTANT: Sorry to inform you that no flights found as per your preferences.

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

ASSISTANT: Thank you for choosing us.