You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Can you please help me in booking a flight ticket from LGA to SFO?

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

USER: I want to fly on Dec 27 and return on Dec 29.

ASSISTANT: Do you have any limits on number of connections?

USER: I need a single connection.

ASSISTANT: Do you have any another specifications on your journey?

USER: No.

ASSISTANT: May I know your name for the booking process?

USER: Myself Jennifer Lee.

ASSISTANT: Sorry, no flights are available on your required dates.

USER: Not an issue. Thank you.

ASSISTANT: Welcome, thank you for reaching us.