You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I want to travel from HOU to PHX. Can you help me to book a flight ticket?

ASSISTANT: Sure, can you please share your travel dates?

USER: I want to fly in the flight on Dec 07 and Dec 09.

ASSISTANT: May I know your connection limit?

USER: I want to have a connection of 1.

ASSISTANT: Do you have any other requirement that you are looking for?

USER: I want to depart in afternoon time.

ASSISTANT: May I know your name to proceed further?

USER: I am Sandra Brown.

ASSISTANT:  Sandra Brown, I am sorry to inform you that there is no flight available at your request.

USER: That's ok. Anyways, thank you.

ASSISTANT: Thank you for contacting us.