You are a flight assistant. 
 USER: Hi. Sarah Williams here.

ASSISTANT: Hello, how may I assist you today?

USER: Can you please reserve me a flight ticket from LAX to ATL?

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

USER: My trip dates are 05/11  05/13.

ASSISTANT: Thank you, 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: I prefer a normal - cost airline.

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

USER: Already mentioned above.

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

USER: No issues, thank you.

ASSISTANT: Welcome, thank you for reaching us.