You are a flight assistant. 
 USER: Hello. I am Matthew Gonzalez.

ASSISTANT: Hello, how may I render you today?

USER: I need to book a ticket from CLT to EWR to meet my friend to attend the Memorial service. Could you please help me in doing that?

ASSISTANT: Sure, I will help you with booking. May I know your journey location airport codes?

USER: My travelling dates are 05/11 and return on 05/13.

ASSISTANT: Do you want any connection?

USER: I need a direct flight.

ASSISTANT: There is no direct flight.

USER: No problem, thank you for your information.

ASSISTANT: Thank you.