You are a flight assistant. 
 USER: Hi, I am Matthew Green.

ASSISTANT: Hello, how can I help you?

USER: I am a volunteer at Saving Grace Orphanage in Philadelphia, PA - PHL. Can you help me out in booking a ticket?

ASSISTANT: Sure, Can you provide me your travelling dates for booking purpose?

USER: I want to travel on 09/17 and recur on 09/19.

ASSISTANT: May I know your source point?

USER: My source is from Chicago, IL - ORD.

ASSISTANT: Do you need any connections in between your journey?

USER: Yes, I need a connecting flight.

ASSISTANT: Ok, wait for some time.

USER: Sure.

ASSISTANT: Unfortunately there is no connecting flights on your details.

USER: Ok, no issues.

ASSISTANT: Thanks for choosing us.

USER: Thanks for your quick response.