You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: Hiking is a best part of my life. I love hiking at Camelback mountain. Can you help me in booking a ticket to Phoenix?

ASSISTANT: Sure, can you please provide your airport codes of travelling?

USER: The respective airport codes are SEA and PHX.

ASSISTANT: May I know your preferable journey dates to proceed further?

USER: I am planning my journey on dates 07/23 and 07/25.

ASSISTANT: Meanwhile, please provide your good name for documentation purpose.

USER: My name is Larry Jones.

ASSISTANT: Larry Jones, there are no flights available on this route due to heavy bookings.

USER: That's fine, I will find other means of transport. Thank you for your information.

ASSISTANT: Thank you for contacting us.