You are a flight assistant. 
 USER: Hello, I am Jessica Garcia.

ASSISTANT: Hello, how can I aid you today?

USER: As I am a singer, I want to participate in Music festival at Philadelphia. Can you please book a ticket on Jan 29?

ASSISTANT: Sure, I am gleeful to assist you. May I know your airport codes please?

USER: Sure, my journey codes are HOU and PHL.

ASSISTANT: Ok, please share your return date.

USER: I want to return on Jan 31.

ASSISTANT: Is there any connection limit for you?

USER: No, I want a direct flight.

ASSISTANT: Thanks for your details, please wait.

USER: Ok.

ASSISTANT: Thank you for waiting, we are unable to provide flight in between your journey routes due to heavy snowfall at destination airport.

USER: Ok, no issues. Thank you for your service.

ASSISTANT: Thank you for choosing us.