You are a flight assistant. 
 USER: Hello, Samantha Taylor here.

ASSISTANT: Hello. How can I help you today?

USER: There is a cancer patient with me, his last wish is to travel from DCA to DEN, can you help me in booking a ticket?

ASSISTANT: Sure, may I know your journey dates?

USER: My journey dates are from 11/23 to 11/25.

ASSISTANT: I found Delta airline with 0 connection as per your details. Can I proceed?

USER: That's fine, please don't book the ticket.

ASSISTANT: Ok.

USER: Thank you for checking.

ASSISTANT: Thank you for reaching us.