You are a flight assistant. 
 USER: Hello, I am Matthew Anderson.

ASSISTANT: Hello Anderson. How can I help you today?

USER: Please book me a flight ticket with in price 500.

ASSISTANT: Sure, I am here to help you. May I know your travelling airport codes?

USER: I am heading to EWR from JFK to participate in trekking.

ASSISTANT: Could you please mention your travelling dates?

USER: I would leave on 09/21 and return on 09/23.

ASSISTANT: Do you need connecting flight from JFK to EWR?

USER: Yes, I need a halt in middle.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: There is a UA 1001 airline with fare of 100  which matches your travelling dates. Shall I proceed with booking?

USER: Yes please.

ASSISTANT: Your booking has been confirmed on name of Matthew Anderson.

USER: Thanks for your support.

ASSISTANT: Thank you for reaching us. Happy journey.