You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: My name is Edward Martin. I would like to travel from PHL to SEA to meet my friend. Can you help me for booking a flight ticket?

ASSISTANT: Please share your trip dates.

USER: My travelling dates are from 03/19 till 03/21.

ASSISTANT: Please hold for a while.

USER: Make sure that my connection limit should be 1.

ASSISTANT: Sorry, no flights are available on your route.

USER: That's ok, thank you for checking.

ASSISTANT: Welcome.