You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Myself Virginia Gonzalez.

ASSISTANT: Ok.

USER: I would like to visit Zilker park at Phoenix, as my doctor prescribed me to go for a change, will you help me with booking a flight ticket?

ASSISTANT: Sure, will you provide your travelling dates?

USER: I would like to travel on 09/24 and return on 09/26.

ASSISTANT: Please provide your airport codes.

USER: My airport codes are LAS and PHX.

ASSISTANT: Unfortunately, there is no flights found under your details.

USER: That's ok, thank you.

ASSISTANT: Welcome, have a great day.