You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: Can you assist me to book flight ticket to LGA from SFO?

ASSISTANT: Ok, please can I know your name to proceed further?

USER: I am George Collins.

ASSISTANT: Ok, please can I know the dates of journey you planned?

USER: My planned dates to travel are Oct 13 and Oct 15.

ASSISTANT: Ok, please can I know the specification you desire?

USER: I prefer a direct flight to reach the destination.

ASSISTANT: Ok, please can I know your other intents?

USER: I do not have any other intents.

ASSISTANT: Sorry, there is no direct flight on the route you desire to confirm a ticket.

USER: It's ok. thank you for the help.

ASSISTANT: Thank you for choosing our agency.