You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I best aid you today?

USER: I am Melissa Nelson. I want to book a flight ticket from HOU to DFW. Could you help me in booking?

ASSISTANT: Sure, can you please share me your journey dates?

USER: My travelling dates are from 10/19 to 10/21.

ASSISTANT: Do you need any whistle stop in between journey?

USER: Yes, I need a whistle stop in between my journey.

ASSISTANT: Ok, please wait for a minute.

USER: Ok.

ASSISTANT: There is a flight found in Delta airline of flight number 1010 and fare is 200. Shall I proceed for booking?

USER: Yes, please proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you for helping me.

ASSISTANT: Thanks for contacting with us, wish you a good journey.