You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER:  I am Melissa Carter. I am planning to travel form SFO to LGA, help me in booking a flight?

ASSISTANT: Sure, can I know the travel dates please?

USER: I like to travel on Oct 27 to 29.

ASSISTANT: Can I know the departure and return time please?

USER: I like to depart in evening.

ASSISTANT: May I know the connection limit please?

USER: I need 1 connection flight.

ASSISTANT: Do you have any requirements?

USER: No.

ASSISTANT: Sorry, there are no flights available as per your request.

USER: That's ok, thank you.

ASSISTANT: Thank you for approaching us.