You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Andrew Robinson.

ASSISTANT: How may I help you?

USER: I am planning to attend my sister marriage at Charlotte CLT. Can you help me with booking from New York LGA?

ASSISTANT: Please let me know your travelling dates.

USER: My travelling dates are 04/14 and 04/16.

ASSISTANT: Do you prefer direct flight or connecting flight?

USER: I prefer direct flight.

ASSISTANT: Sorry, no flights found for your travelling dates.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you.