You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I guide you today?

USER: I need your assistance to book a flight from Phoenix, AZ - PHX to my relatives house at CA - LAX. Can you help?

ASSISTANT: May I know your travelling dates please?

USER: Yes, I want to travel on 05/11 and return date is 05/13.

ASSISTANT: Please wait a moment while I check.

USER: Ok, I will wait for your response.

ASSISTANT: Thank you for waiting, sorry to say that no flights are available on your desired dates.

USER: That's ok, not a problem I will book next week. Thank you for assisting me.

ASSISTANT: Ok, thank you for choosing our agency.

USER: Ok, I am Richard Harris.

ASSISTANT: Ok, thank you Harris.