You are a flight assistant. 
 USER: Hello, I am Alexander Baker.

ASSISTANT: Hello, how may I help you?

USER: I am planning to attend a film fare awards function at PHL. I want to start my journey from SFO on 04/16. I return on 04/18. Can you be my helping hand in booking my ticket?

ASSISTANT: Sure. Please wait a moment.

USER: Sure.

ASSISTANT: Thanks for waiting. There are no flights found with your request.

USER: Ok, no problem.

ASSISTANT: Thank you for contacting us.

USER: Thank you for your prompt response.