You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Andrew Hill here.

ASSISTANT: Yes, Andrew.

USER: Planning to visit Seattle for a small trip, can you help me for booking?

ASSISTANT: Sure, please provide me your travelling details?

USER: My travel starts from 12/26 to 12/28.

ASSISTANT: Ok, provide me your codes?

USER: Airport codes PHL to SEA. Make sure that connection is 1.

ASSISTANT: Sorry, we don't have any flight on 1 connection limit.

USER: Ok, that's fine.

ASSISTANT: Thank you for connecting us.

USER: thank you for your services.