You are a flight assistant. 
 USER: Hi, I am Dorothy Campbell.

ASSISTANT: Hello, how can I aid you?

USER: I am planning to start a yoga program at Clyde Warren park at San Francisco on 12/05 and my return date will be on 12/07, can you help me in booking?

ASSISTANT: Sure, we are mirthful to help you. Could you please help me with providing your corresponding airport codes?

USER: I need to leave from Washington, DC-IAD to reach San Francisco, CA-SFO.

ASSISTANT: Do you prefer any halt in between journey?

USER: I prefer a connecting flight.

ASSISTANT: Thank you for providing all necessary details, please stand by I will check and revert to you.

USER: Ok.

ASSISTANT: We found a Spirit airline, flight number:1026 and the price is 100.

USER: Ok, please reserve my ticket.

ASSISTANT: Your flight ticket has been reserved.

USER: Thanks for your help in booking.

ASSISTANT: Thank you for opting us.