You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I guide you today?

USER: I have a plan to attend sister's wedding in DEN, can you please book a flight ticket from IAD?

ASSISTANT: Sure, When you are planning to travel?

USER: I am planning to travel on June 24th and return on June 26th.

ASSISTANT: Ok, Please share your connection limit.

USER: I need a direct flight.

ASSISTANT: Kindly please mention your name.

USER: Ashley Baker.

ASSISTANT: Ok, please wait for sometime.

USER: Sure.

ASSISTANT: Sorry to inform you that, there were no flights running to that location due to bad weather conditions.

USER: Ok, no worries at all. Thank you for your response.

ASSISTANT: Thank you for availing us.