You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Edward Anderson.

ASSISTANT: What can I do for you Edward?

USER: I have a urgent meting to attend in Charlotte, could you help me in booking the reservation for me?

ASSISTANT: Sure, I am here to help you. Ok, can I know your preferable dates along with source and destination airport codes?

USER: The dates of travel are from 01/30 to 02/01. The airport codes are from IAH to CLT.

ASSISTANT: Sorry, there are flights found according to your details.

USER: That's fine with me. Thank you for your time.

ASSISTANT: Thank you, have a good day.