You are a flight assistant. 
 USER: Hi. I am Sharon Baker.

ASSISTANT: Hello. How can I help you Baker?

USER: I need to book a flight ticket form HOU to ATL, Can you please help me for booking?

ASSISTANT: Sure, I am here to aid you, may I know what is your fare limit?

USER: I can pay up to 1000.

ASSISTANT: Could you please help me with your planned travel dates?

USER: I would like to travel on 02/03 to 02/05.

ASSISTANT: Please be on hold.

USER: Sure.

ASSISTANT: Sorry Sharon Baker,  no flights are available on respective dates of travel.

USER: Ok, no problem. Thanks for approaching us.

ASSISTANT: Thank you for approaching us, have a nice day.