You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I am planning to book a ticket from SFO to LAX. Can you please help me out to book a ticket for me?

ASSISTANT: Sure, I will help you. Please help me with your name.

USER: My name is Sandra Smith.

ASSISTANT: Please help me with your planned travelling dates.

USER: I would like to travel on Feb 09 and return back on Feb 11.

ASSISTANT: Do you need a break in your journey?

USER: Yes, I am looking for a connecting flight.

ASSISTANT: Do you have any other preferences in your journey?

USER: Yes, my return time should be morning.

ASSISTANT: Sure, I will check for it. Please allow me a minute.

USER: Sure.

ASSISTANT: Sandra Smith, I am really sorry to inform you that there are no flights available for your journey.

USER: That's  fine, thank you for your service.

ASSISTANT: Thank you for understanding. Thank you for reaching us. Have a great time.