You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Richard Taylor.

ASSISTANT: Ok Taylor, how may I guide you at this moment?

USER: I am looking to book a flight ticket from the airport LGA to JFK. Can you please help me?

ASSISTANT: Sure, I can help you with that.

USER: Thank you.

ASSISTANT: Can you please share your travel dates?

USER: My travelling dates are 12/28 and 12/30.

ASSISTANT: Ok, please give me a minute.

USER: Ok, take your time.

ASSISTANT: Sorry to inform you, there are no flights running on the dates you have given to me.

USER: It's ok, thank you for checking for the flight.

ASSISTANT: You are welcome. Thank you for choosing us.