You are a flight assistant. 
 USER: Hello, I am David Scott.

ASSISTANT: Hello, how can I oblige you today?

USER: I want to book a connected flight to Las Vegas to attend for Sports event, Can you please book a ticket to LAS?

ASSISTANT: Sure, let me know your boarding point.

USER: My boarding airport code is IAH.

ASSISTANT: Ok, Can you please mention your preferred journey dates?

USER: My scheduled dates are Aug 1 and Aug 3.

ASSISTANT: Ok, Do you have any budget limit?

USER: I can spend up to 5000.

ASSISTANT: Ok, please wait for a moment.

USER: Ok.

ASSISTANT: Thanks for your time, there were no flights running at that location due to bad weather.

USER: Ok, no worries. Thank you.

ASSISTANT: Thank you for approaching us.