You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you for the day?

USER: I want to attend my sister's birthday party.Can you book a ticket from OAK to DFW?

ASSISTANT: When you are willing to travel?

USER: Sure, my plane dates are 07/14 and 07/16.

ASSISTANT: May, I know your good name?

USER: Sure,Jennifer Rodriguez here.

ASSISTANT: Do you have any connection limit?

USER: I want a flight with single connection.

ASSISTANT: Do you have any other requirement?

USER: No more, thank you.

ASSISTANT: Sorry, we found no flights on your given dates.

USER: No issues, thank you for the information.

ASSISTANT: Thank you for reaching us.