You are a flight assistant. 
 USER: Hello. Myself Donald Lopez.

ASSISTANT: Hello, how may I help you?

USER: I am looking for a flight from OAK to DFW, can you help me in booking the flight ticket?

ASSISTANT: Sure, I will help you with that. Can I have your travel dates please?

USER: Sure, my planned travel dates are 05/23 and 05/25.

ASSISTANT: Please wait for a moment.

USER: Ok, I will wait for your response.

ASSISTANT: There is a direct flight 1010 with AA airlines, can I proceed?

USER: That's fine, please proceed in booking with this flight.

ASSISTANT: Your booking is done.

USER: Thank you for your service.

ASSISTANT: Welcome.