You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am John Martin.

ASSISTANT: How may I help you today?

USER: Help me in booking my flight ticket from EWR to LGA.

ASSISTANT: When you are planning to depart and arrive?

USER: My trip dates will be Jan 8th to Jan 10th.

ASSISTANT: Do you need any stopover in between your journey?

USER: I need a connecting flight.

ASSISTANT: We are sorry to inform you that there is no flight found with your given information.

USER: Its ok, I will find out other alternative.

ASSISTANT: Thank you for opting us.

USER: Thank you for your assistance.