You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Kathleen Taylor.

ASSISTANT: How can I serve you today?

USER: I would like to attend a seminar on social issues in pioneer plaza at Dallas & Fort Worth, TX - DFW. Can you help me to book a connecting flight?

ASSISTANT: Sure, may I know your travelling dates?

USER: I want to fly on 05/20 and recur on 05/22.

ASSISTANT: Could you please help me with your source code?

USER: My source is from Oakland, CA - OAK.

ASSISTANT: Please hold on.

USER: Sure.

ASSISTANT: There is a AA 1002 airline with fare of 100 which matches your travelling dates. Shall I proceed with booking?

USER: Please proceed.

ASSISTANT: Your booking has been confirmed on name of Kathleen Taylor.

USER: Thanks for your kind assistance.

ASSISTANT: Thank you for picking us.