You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Nancy Lopez.

ASSISTANT: How can I assist you today?

USER: I want to attend a wedding in New York.Can you help me in booking a ticket?

ASSISTANT: Sure, I will help you with that. Can you please share your airport codes?

USER: I want to travel from CLT to JFK.

ASSISTANT: May I know your travelling dates to proceed further?

USER: I would like to travel on 10/25 and 10/27.

ASSISTANT: Give me a minute.

USER: I want to travel in a direct flight.

ASSISTANT: Sorry to say that there is no flight found under your details.

USER: That's ok. Thank you for your help.

ASSISTANT: Thank you for contacting us.