You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Jeffrey Martin here.

ASSISTANT: How can I assist you at this moment?

USER: I want to travel from LGA to ORD, can you help me to find a flight?

ASSISTANT: Sure, can you please provide your travelling dates?

USER: My travelling dates are 07/01 and 07/03.

ASSISTANT: Wait a moment please, let me find the flights availability on this route.

USER: Sure.

ASSISTANT: Jeffrey Martin, there are no flights available on this route on your provided dates.

USER: It's ok, thanks for your information.

ASSISTANT: Thank you for contacting us.