You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: My name is Raymond Wilson, can you help me to book a flight ticket from LAX to SFO?

ASSISTANT: Sure, may I know your planned travel dates?

USER: Ok, please book a ticket for the dates Dec 31 and Jan 2nd.

ASSISTANT: Please share me your connection limit.

USER: Please book a connecting flight for my journey.

ASSISTANT: Do you have any specifications?

USER: Ok, please book a flight which depart during afternoon.

ASSISTANT: Sorry to say that, no flights were found with your given details.

USER: That is ok, thank you for assisting me.

ASSISTANT: Thank you for reaching us.