You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Sharon Hall here.

ASSISTANT: How may I help you?

USER: Can you help me to find a flight from SFO to LGA?

ASSISTANT: Ok, may I know your planned dates to get a flight for you?

USER: My travelling dates are 12/04 and 12/06.

ASSISTANT: Fine, give me a moment please.

USER: I need a direct flight for this journey.

ASSISTANT: Sorry, there is no flight found on your route to book your ticket.

USER: That's fine, thanks for your information.

ASSISTANT: Welcome Sharon Hall.