You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I provide assistance for you?

USER: Please book a ticket from Oakland, CA-OAK to Washington DC-DCA.

ASSISTANT: Sure. Do you need a lay by in between your journey?

USER: Connections limit 1.

ASSISTANT: Could you please share your travelling dates?

USER: Departure is by 05/07 and will return on 05/09.

ASSISTANT: How much should be your ticket fare?

USER: Price limit 200.

ASSISTANT: Thank you for sharing your details. Please, wait for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting. There are no flights running on your route due to abnormal weather conditions.

USER: Thanks.

ASSISTANT: May I know your good name please?

USER: My name is Sarah Lee.

ASSISTANT: Thank you for reaching us.