You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am Michael Gonzalez.

ASSISTANT: Nice to meet you.

USER: I want to book a ticket from EWR to LAX, can you please book a ticket?

ASSISTANT: Sure, I can help you with that. May I know your travel dates please?

USER: My travelling dates are on Feb 06 and Feb 08.

ASSISTANT: In which airlines do you prefer to travel?

USER: I prefer to travel in Normal cost airline.

ASSISTANT: May I know your class preference please?

USER: I am okay with any class.

ASSISTANT: Please let me know if you have any other specifications.

USER: I need a single connection.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry to inform you that there are no flights available for you on those dates with your given details.

USER: Ok, not a problem. Thank you.

ASSISTANT: Thank you for choosing us.