You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I be in your service?

USER: I want to meet my ex-wife, so book my ticket from OAK to DFW.

ASSISTANT: Sure, can I know your name to proceed further with your concern?

USER: Richard Adams here.

ASSISTANT: Ok, can I know your dates of journey?

USER: My itinerary dates are Feb 22 and Feb 24.

ASSISTANT: Ok, please can I know your connecting limit which you prefer?

USER: I prefer single stopover in my journey.

ASSISTANT: Is there any other need?

USER: No.

ASSISTANT: Ok, thank you for waiting. Sorry as per the specification you have provided there are no flights available to book a ticket for you.

USER: No problem, thank you.

ASSISTANT: My pleasure, thank you for choosing our agency.