You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I am Cynthia Hernandez. I want to book a flight ticket from SEA to IAH. Can you find a flight ticket for me?

ASSISTANT: Sure, please provide me your travel dates.

USER: Ok, my trip dates are 06/01 and 06/03.

ASSISTANT: Sorry, I could not find any flight with your details.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: It's my pleasure.