You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,. How may I help you?

USER: Can you reserve a seat with a fare of 5000 on my name Raymond Allen?

ASSISTANT: Sure. Please provide your travelling airport codes.

USER: I am fond of listening songs, so I planned my visit to Music box Theatre, located in Houston, HOU. I will board at Seattle, SEA.

ASSISTANT: May I know your intended travel dates?

USER: Sure, it's from 11/25 to 11/27.

ASSISTANT: No flight is available with your requirement.

USER: Ok.

ASSISTANT: Thanks.

USER: Thanks for the quick response.