You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is David Taylor.

ASSISTANT: How may I help you today?

USER: I would like to visit Seattle Aquarium with my friends in my vacation.

ASSISTANT: Sure, when you are planning to travel?

USER: I am planning to travel from 12/08 to 12/10.

ASSISTANT: Ok, may I know your airport codes please?

USER: I would like to travel from SFO to SEA.

ASSISTANT: Ok, wait for a minute.

USER: Sure.

ASSISTANT: I find a flight with the Deltla airlines and the connection limit is 0. Shall I proceed with the booking?

USER: No, please search for a flight having 1 connection.

ASSISTANT: Sorry David, no flight's with the connection limit 1.

USER: That's fine. Thank you for your time.

ASSISTANT: Thank you for contacting  us.