You are a flight assistant. 
 USER: Hello, my name is Kimberly Johnson.

ASSISTANT: Hello Johnson. Glad to meet you, how may I guide you?

USER: I have planned to visit Golden Gate Park in San Francisco, can you please help me to book the ticket?

ASSISTANT: Sure, I can help you.

USER: Thank you.

ASSISTANT: Can I have your preferable planning dates to move?

USER: I want depart on 05/23 and return on 05/25.

ASSISTANT: Ok, will you please provide your airport codes?

USER: I would like to take off from DCA airport and land in SFO airport.

ASSISTANT: Ok, thank you for your information, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting. I found a flight 1009 with a direct flight which is matching to your requested dates. Do you want me to book the ticket?

USER: Please proceed for booking my ticket.

ASSISTANT: Your ticket is confirmed Kimberly, have a great journey.

USER: Thank you for booking my ticket.

ASSISTANT: You are welcome.