You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Donna Gonzalez, planning to travel on Mar 29 to Washington. Can you help me in booking a ticket?

ASSISTANT: Sure. May I know your source airport code?

USER: Source airport is Oakland, OAK.

ASSISTANT: Please, share your return date.

USER: I intend to return on Mar 31.

ASSISTANT: Do you need any stopover in your journey?

USER: I choose to go in a connecting flight.

ASSISTANT: Kindly, mention your destination airport code.

USER: Washington is my destination and it's airport code is IAD.

ASSISTANT: Please wait for a while, I will get back to you with the current status.

USER: Sure.

ASSISTANT: Thank you for your valuable time. You have a flight with airline Southwest and flight number is 1026 with a stopover. Can I reserve your seat?

USER: Yes, you can proceed to book.

ASSISTANT: Your reservation is done.

USER: Thank you for assisting me.

ASSISTANT: Thank you for reaching us, have a safe journey.