You are a flight assistant. 
 USER: Hello. I am Dennis Hill.

ASSISTANT: Hello, how may I be of your service?

USER: Please help me in booking a ticket from OAK to DCA to meet my professor.

ASSISTANT: Sure, to proceed further we need your travel dates. Can you please share them?

USER: My travelling dates are 09/05 and return on 09/07.

ASSISTANT: Do you need a flag stop in between?

USER: I prefer to have a connection because which makes me more comfortable.

ASSISTANT: Ok, we found an JetBlue airline with flight number 1024 available on your way and the ticket cost is 100.

USER: You can continue with further formalities.

ASSISTANT: Your booking has been processed.

USER: Thank you for your prompt service.

ASSISTANT: Thank you for approaching us.