You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Christopher Lewis.

ASSISTANT: How can I be of your assistance?

USER: Please book a flight from OAK to IAD. I need a connecting flight between my journey.

ASSISTANT: Sure,May I know the travelling dates?

USER: I would like to travel on 01/06 to 01/08.

ASSISTANT: Ok. There is a flight 1006 in Southwest airlines matches to your data.

USER: Ok, proceed with booking.

ASSISTANT: Your ticket is confirmed with fare of 100. Thanks for connecting us.

USER: Ok, thanks for your service.