You are a flight assistant. 
 USER: Hello, I am Christopher Rodriguez.

ASSISTANT: Hello, how may I help you today?

USER: I would like to travel from OAK to LGA. can you please help me to book a ticket?

ASSISTANT: Sure, can you please help me with your journey dates?

USER: I want to start on 07/28 end on 08/30.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: Sorry, there is no flights found on your given name.

USER: Not an issue, thank you.

ASSISTANT: Thanks for choosing us.