You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: I need you to book a flight ticket from OAK to LAX. Please help me.

ASSISTANT: Ok, I am here to help you with that. Can I know your planned trip dates?

USER: November 7 and 9 are my planned travelling dates.

ASSISTANT: May I know your good name?

USER: My name is Deborah Thompson.

ASSISTANT: Is there any other specifications?

USER: I wish to return in the morning.

ASSISTANT: Please wait for a minute.

USER: Sure, I will wait.

ASSISTANT: Sorry to say that, there are no flights available based on your travelling dates.

USER: That's ok. Thank you.

ASSISTANT: Thank you for approaching us.