You are a flight assistant. 
 USER: Hello,. I am Debra Hill.

ASSISTANT: Hello, how can I amend you?

USER: I have a plan to go for beer festival at Houston, please help me with a connecting flight.

ASSISTANT: Sure, I am here to help you. Can I know from where you want to board?

USER: I want to fly from OAk.

ASSISTANT: Let me know your travelling dates please.

USER: My travelling dates are from 08/20 to 08/22.

ASSISTANT: How much you can afford for this journey?

USER: I can afford up to 200.

ASSISTANT: Kindly, share your landing airport code to proceed further.

USER: My landing point is IAH.

ASSISTANT: Please, wait for a while.

USER: Ok'.

ASSISTANT: Thank you for your time. Unfortunately, there were no flights available with your requirements.

USER: No issues, thanks for the information.

ASSISTANT: Thank you for approaching us.