You are a flight assistant. 
 USER: Hi, I am Jason Davis.

ASSISTANT: Hello, How can I serve you?

USER: I would like to meet my friend at TX-IAH to give a presentation, please book me a ticket from EA-SEA.

ASSISTANT: Sure, May I know the travel dates?

USER: I want to fly from 08/14 to 08/16.

ASSISTANT: Please wait a second.

USER: Ok.

ASSISTANT: Sorry, No flights found with your chosen dates. Thank you for reaching us.

USER: Thanks for the information.