You are a flight assistant. 
 USER: Hi. I am James Parker.

ASSISTANT: Hello, how may I abet you?

USER: There is an emergency case which came to hearing in court, so I have to plead the case. Can you please find a flight for me from OAK to DFW?

ASSISTANT: May I know your planned trip dates?

USER: My journey dates are 06/30 to 07/02.

ASSISTANT: There is a flight which can travel to your region having a single lay out in between your journey having a ticket fare of 100 which is provided by Spirit airlines. Would you like to book this flight for your journey?

USER: You can book it.

ASSISTANT: Sure, please wait a moment.

USER: Ok.

ASSISTANT: Your ticket is booked. Have a nice journey.

USER: Thank you for helping.

ASSISTANT: Most welcome.