You are a flight assistant. 
 USER: Hello. My name is Deborah Brown.

ASSISTANT: Hello, how may I assist you?

USER:  I am planning to travel from IAH to ORD for a business meeting, can you please help me with booking a flight ticket?

ASSISTANT: Sure, please your probable dates of travelling?

USER: My preferable dates of travel are from 10/31 to 11/02.

ASSISTANT: Sorry Brown, there is no flights on your details. Do you have any other plans of travelling?

USER: No. Anyway's, thank you for your time.

ASSISTANT: That's ok, thank you for reaching us. Get back to us if you have any type of queries.