You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Brenda Wright.

ASSISTANT: How can I aid you?

USER: I am looking for a flight from LAS to IAH, can you help me in booking the flight ticket?

ASSISTANT: Sure, I am perky to help you. Please help me with your preferable journey dates.

USER: Sure, my planned travel dates Dec 11 and Dec 13.

ASSISTANT: Do you prefer any lay by in between journey?

USER: Yes, I am looking for a connecting flight for a normal cost airlines.

ASSISTANT: Ok, please wait a minute.

USER: Sure, I will wait for your response.

ASSISTANT: Thanks for waiting, we are unable to provide flights on your preferable dates of travel.

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: Thank you for reaching us.