You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how can I help you?

USER: I am Pamela Anderson. Please, book me a plane from DEN to reach SFO.

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Let me know when you are willing to travel?

USER: I will start on 08/31 and return on 09/02.

ASSISTANT: Ok, wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting there are no flights found on your details.

USER: Ok, I will choose other airline. Thank you for assisting me.

ASSISTANT: Thanks for approaching us.