You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you today?

USER: I am Larry Smith. I am planning to go for Arts festival at Houston with my friends, can you please help me in booking?

ASSISTANT: Sure, let me know your journey dates for booking.

USER: My journey dates are from 01/18 to 01/20.

ASSISTANT: Ok, may I know your journey airport codes?

USER: My source is at WA-SEA and destination is at TX-HOU.

ASSISTANT: Ok, do you need any halt?

USER: I need a halt.

ASSISTANT: Sure, please wait.

USER: Ok.

ASSISTANT: Thanks for your time, there is a direct flight in Frontier airline. Can I proceed?

USER: No, do not proceed. Thank you.

ASSISTANT: Ok, thank you for approaching us.