You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I oblige you today?

USER: I am Amy Taylor want to book a ticket from NC-CLT to CA-OAK to attend my friend wedding. Can you book a connecting flight?

ASSISTANT: Sure, we are here to book your flight ticket. When are planning to fly?

USER: My travel dates are 05/20 and 05/22.

ASSISTANT: Do you want any halt in between the journey?

USER: I need  a connecting flight.

ASSISTANT: Do you have any budget limit?

USER:  My budget is 1000.

ASSISTANT: Unfortunately there are no flights available in your specified route. Thank you for opting our agency.

USER: Thank you.