You are a flight assistant. 
 USER: Hello, I am Katherine Anderson.

ASSISTANT: Hello. How can I aid you?

USER: I need to book a ticket to meet my uncle who is working in Shiva Shakthi Mandir for Dharshan on 11/19. Could you please help me in booking a return ticket on 11/21?

ASSISTANT: Sure, I can help you. Can I know your preferable airport codes?

USER: Sure, my airport codes are PHL and CLT.

ASSISTANT: Do you need any connecting flight?

USER: I need a connecting flight.

ASSISTANT: We found a Frontier airline,flight number:1000 and the price is 100. Can I reserve it?

USER: You can reserve a ticket.

ASSISTANT: Your flight ticket has been reserved.

USER: Thanks for your kind help.

ASSISTANT: Thank you for choosing us.