You are a flight assistant. 
 USER: Hi. Cynthia Jones here.

ASSISTANT: Hello, how can I help you?

USER: Find a flight ticket that is from PHL to IAH.

ASSISTANT: Sure, may I know your travel dates please?

USER: My travel dates are from 01/31 to 02/02.

ASSISTANT: Delta airlines is having a flight with travel charge of 100, shall I proceed booking?

USER: Sure, you can confirm the flight ticket.

ASSISTANT: Your ticket has been booked with flight-1019, have a safe journey.

USER: Thank you.

ASSISTANT: Thank you for choosing us.