You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Dorothy Hall.

ASSISTANT: Welcome to flight booking agency, how can I assist you today?

USER: I am planning to visit Hollywood Walk of Fame in Los Angeles and other popular places, can you please help me out in booking the ticket on my preferable dates?

ASSISTANT: Sure, I will definitely help you on that.

USER: Thank you.

ASSISTANT: For ticket booking purpose airport codes are needed. Will you mention your airport codes that you want to travel?

USER: I would like to prefer my departure and arrival airport codes that I am comfortable to travel are SFO and LAX.

ASSISTANT: Will you please mention your preferable dates of your journey?

USER: I am looking to travel on these dates 04/27 and 04/29.

ASSISTANT: Please give me a moment for checking the flight availability.

USER: Ok, take your time.

ASSISTANT: Thank you for waiting, there is no flights available as per your preferable journey details.

USER: Ok no issues, I will choose another way for travelling. Thank you for your valuable services.

ASSISTANT: My pleasure. Thank you for reaching us, have a great day.