You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I serve you today?

USER: Can you help me in booking on Oct 7 to Oct 9, as there is a sports meet to attend?

ASSISTANT: Sure, may I know your name please?

USER: I am Sandra Phillips.

ASSISTANT: Please share me your travel locations?

USER: My source is LAS and destination is IAH.

ASSISTANT: Do you have any specification?

USER: I need a direct flight.

ASSISTANT: Please wait a moment, let me check the flight availability.

USER: Sure.

ASSISTANT: Sorry, there is no flight on your route.

USER: No issue, thank you.

ASSISTANT: Thank you.