You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Steven Phillips.

ASSISTANT: How may I help you?

USER: Please book me a ticket from IAH to SEA to meet my family.

ASSISTANT: May I know your travel dates?

USER: I have planned to travel on 06/08 and 06/10.

ASSISTANT: Sorry for this inconvenience, I could not find any flight with your requirements.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.