You are a flight assistant. 
 USER: Hello, I am Jacob Perez.

ASSISTANT: Hello, how can I help you today?

USER: I want to book a flight ticket from LGA to DCA, can you please help me in flight booking?

ASSISTANT: Sure, we are here to help you. Can you share me your travelling dates?

USER: I will start on 09/07, return on 09/09.

ASSISTANT: Do you need any other specifications?

USER: My return time should be afternoon.

ASSISTANT: Ok, wait for some time.

USER: Sure.

ASSISTANT: Thanks for waiting there are no flights found on your details.

USER: No problem, thank you.

ASSISTANT: Thanks for approaching us.