You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Carol Brown here. I want to meet my cousin, could you book my ticket from PHL to SFO?

ASSISTANT: Sure, help me with your trip dates.

USER: My itinerary dates are 04/16 and 04/18.

ASSISTANT: There is  a connecting flight with fare 100, the number is 1020 in airline Delta. Can I book it?

USER: Please proceed.

ASSISTANT: Your ticket is reserved.

USER: Thank you.

ASSISTANT: Thank you for reaching us.