You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Betty Allen.

ASSISTANT: How can I aid you?

USER: I am looking for a flight to travel from SFO to PHX, can you please help me?

ASSISTANT: Sure Betty, can I know the travel dates please?

USER: I want to fly on 05/29 and return on 05/31.

ASSISTANT: Give me a moment I will get back you.

USER: Ok sure.

ASSISTANT: Sorry to inform you that there are no flights on your dates.

USER: That's ok. No problem.

ASSISTANT: Thank you for approaching us. Have a great day.