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

ASSISTANT: Hello. How can I assist you?

USER: I have a plan to visit San Francisco, CA - SFO. Can you please book me a flight ticket to visit Twin Peaks?

ASSISTANT: Sure, can you please mention traveling dates?

USER: I want to fly on 09/12 and recur on 09/14.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Can you please tell me your source code?

USER: My source is from Denver, CO - DEN.

ASSISTANT: Ok, please be on hold.

USER: Sure.

ASSISTANT: Thank you for being on hold. Your ticket has been confirmed with connection limit 1 and fare of 100.

USER: Please reserve my seat.

ASSISTANT: Your ticket has been booked.

USER: Thanks for your help.

ASSISTANT: Thank you for approaching us, have a safe journey.