You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you please help me in booking a flight ticket in economy class?

ASSISTANT: Can you please share your trip dates?

USER: I need to reach my destination by July 26th as I have a client meeting next day and will return on July 28th.

ASSISTANT: May I know your airport codes?

USER: My destination is IAH and origin is ATL.

ASSISTANT: Do you require any specifications?

USER: I would like to travel in a normal cost airline.

ASSISTANT: Sorry, no flights found on your route due to abnormal weather conditions.

USER: That's alright, thanks for your assistance.

ASSISTANT: Please share your name for documentation?

USER: I am Kathleen Allen.

ASSISTANT: Thank you.