You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,.

USER: My name is Karen Thomas.

ASSISTANT: How can I help you?

USER: I would like to attend my friend's wedding anniversary at New York, please book a ticket from EWR to JFK.

ASSISTANT: Ok. Please provide your travelling dates?

USER: My travel dates are 01/18 and 01/20.

ASSISTANT: No flights found with your travelling dates.

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

ASSISTANT: Thanks.