You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What can I do for you?

USER: I would like to book a ticket from LAX to SFO, can you please help me out?

ASSISTANT: Sure, I am here to help you. Can I know your travel dates?

USER: I am travelling on these dates Aug 13th and 15th.

ASSISTANT: Ok, please tell me your  preferred number of connections.

USER: I need single connected flight.

ASSISTANT: May I know your name?

USER: Scott Allen here.

ASSISTANT: Sorry to inform you that, there are no flights found with the dates you have given.

USER: Ok no problem, thank you for your services.

ASSISTANT: You are welcome. Thank you for opting us.