You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: Can you help me to book a flight ticket from EWR to OAK?

ASSISTANT: Sure, we are glad to help you. Can you please let em know your travelling dates?

USER: My travel dates are May 31 and June 02.

ASSISTANT: Do you have any connection limit?

USER: Yes, my connection limit is 1.

ASSISTANT: Is there any other specifications for you?

USER: I prefer economy class.

ASSISTANT: May I know your good name?

USER: My name is Thomas Thomas.

ASSISTANT: Thanks for providing details, no flights are available on your journey routes.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for choosing us.