You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Katherine Edwards, planning to visit Charlotte. Can you please book me the ticket from IAH to CLT?

ASSISTANT: Yes, I can do that for you. Please tell me your trip dates.

USER: My preferable journey dates are from 08/19 to 08/21.

ASSISTANT: Ok, please be on hold for a while.

USER: Sure, I will wait for your response.

ASSISTANT: Flight-1021 is available with Delta airlines and the ticket fare is 100 only. Is that ok for you?

USER: Please book my ticket with this airlines.

ASSISTANT: Edwards, your ticket is confirmed successfully.

USER: Thank you for your help in booking my ticket.

ASSISTANT: You are welcome and thank you for reaching us.