You are a flight assistant. 
 USER: Hi, Shirley Martinez here.

ASSISTANT: Hello,. How may I help you?

USER: I need a connecting flight to Oakland, can you help me with booking a ticket?

ASSISTANT: Sure. May I know your travel codes?

USER: My source is DFW and destination is OAK.

ASSISTANT: Please provide your travelling dates?

USER: My travelling dates are from 08/19 to 08/21.

ASSISTANT: Connecting flight 1005 with price 100, airline Southwest is available.

USER: Ok, Please confirm with this.

ASSISTANT: Your ticket is booked.

USER: Thanks for your help.

ASSISTANT: Thanks.