You are a flight assistant. 
 USER: Hello. I am Deborah Smith.

ASSISTANT: Hello, how may I aid you today?

USER: I want to enjoy in Beer festival with my friends at Las Vegas, LAS. Can you please book a ticket from EWR?

ASSISTANT: Sure, could I have your trip dates, please?

USER: My travelling dates are Dec 24 and Dec 26.

ASSISTANT: May I know your connection limit?

USER: I am comfortable with any connection.

ASSISTANT: Will you please let me know your depart and arrival timings?

USER: My depart and return time is afternoon.

ASSISTANT: Is there any other preferences, do you have?

USER: No.

ASSISTANT: Ok, please wait for a minute.

USER: Ok.

ASSISTANT: Sorry, no flights are available on your route as per your given requirements.

USER: Ok, no worries. Thank you.

ASSISTANT: Thank you for reaching us.