You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am planning to go for SFO with my parents from SFO, can you please help me to book my ticket?

ASSISTANT: Sure.

USER: Myself Lisa Taylor.

ASSISTANT: Please may I know your travelling dates?

USER: my travelling dates 03/22 and 03/25.

ASSISTANT: Yes, the flight 1001 of JetBlue airline is available for you.

USER: 03/22 and 03/24.

ASSISTANT: Please wait.

USER: Ok.

ASSISTANT: Sorry, no flight is available for you.

USER: Ok, fine. Thank you for your help.

ASSISTANT: Thank you for reaching us.