You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I am Sandra Harris here. I need to book a flight ticket from DFW to IAH. Can you please help me with booking?

ASSISTANT: Ok, I am here to help you.

USER: Thank you.

ASSISTANT: On which dates you are willing to travel?

USER: I want to start my journey on 11/23 and return back on 11/25.

ASSISTANT: Please wait a minute, I will let you know the flight availability.

USER: Sure, I will wait for your response.

ASSISTANT: Thanks for your time, according to your information there is a connecting flight-1006. Shall I confirm it?

USER: Sure, you can confirm the ticket booking.

ASSISTANT: Ok, your booking is done on Delta airlines.

USER: Thank you for booking.

ASSISTANT: Thanks for reaching us, have a safe flight.