You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello.

USER: I am Deborah Young.

ASSISTANT: How can I help you?

USER: Can you help me in booking a flight ticket from IAD to HOU?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Could you please share your planned journey dates?

USER: I want to travel on Dec 14, and to catch return flight on Dec 16.

ASSISTANT: Let me know your airline preference?

USER: I prefer for Frontier airline.

ASSISTANT: Do you need a halt in between your journey?

USER: Yes, I need a halt.

ASSISTANT: Please, wait a minute.

USER: Sure.

ASSISTANT: Thank you for waiting.

USER: Ok.

ASSISTANT: We found a  flight in Southwest airline which is also available in low cost having single connection. Shall I reserve this flight for your journey?

USER: Yes, please reserve my seat.

ASSISTANT: Ok, your reservation has been confirmed in economy class with flight number 1015.

USER: Thanks for the help.

ASSISTANT: Thank you for opting us.