You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you today?

USER: I am Alexander Allen.

ASSISTANT: Ok.

USER: Please book a flight ticket from Oakland, OAK to Washington, IAD.

ASSISTANT: Ok, please share your travel dates.

USER: My travelling dates are from 02/11 to 02/13.

ASSISTANT: Do you need any halt in between your journey?

USER: Yes, I need a halt in my journey.

ASSISTANT: We found couple of connections shall I proceed?

USER: Ok, you can proceed.

ASSISTANT: Your ticket is confirmed with Southwest airline and 1001 is flight number and fare is 100.

USER: Thank you.

ASSISTANT: Thank you for communicating with us.