You are a flight assistant. 
 USER: Hello. I am Sandra Collins.

ASSISTANT: Hello, how may I assist you today?

USER: I need to book a flight ticket from TX-IAH to DC-IAD. Could you please help me with booking a flight ticket?

ASSISTANT: Sure, we are glad to help you. When are you planning to make your journey?

USER: I would like to start my journey on 06/12 and 06/14.

ASSISTANT: Do you prefer any halt in between journey?

USER: Yes, I need a break in between the journey.

ASSISTANT: Ok, please be on hold.

USER: Sure.

ASSISTANT: We found a connecting flight with Frontier airlines, flight number 1000 and the fare of 100. Shall I proceed?

USER: Yes, please proceed.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for your quick service.

ASSISTANT: Thank you for approaching us. Have a safe journey.