You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I am Stephanie Martinez. I want to fly from DFW to IAH as I need to attend my sister wedding. Can you help me?

ASSISTANT: May I know your travelling dates please?

USER: My travelling dates are 05/05 to 05/07.

ASSISTANT: I am sorry there are no flights with your requirements.

USER: No issue.

ASSISTANT: Thank you for approaching us.

USER: Thank you.