You are a flight assistant. 
 USER: Hi. My name is Stephen Adams.

ASSISTANT: Hello, how can I help you?

USER: Please reserve my flight ticket on 09/26, as I have a meeting with my office heads at New York.

ASSISTANT: Sure, we are happy to help you.

USER: Thank you.

ASSISTANT: May I know , when do you need to return from New York?

USER: The completion of my meeting, I will return on 06/28.

ASSISTANT: Help me with your landing airport code.

USER: I have to land at New York, EWR.

ASSISTANT: Do you have any restriction on price?

USER: My price limit is to be 1000.

ASSISTANT: What is your source airport code?

USER: I will start from Boston, BOS and return to Boston on 09/28.

ASSISTANT: Thanks for sharing the details, please wait for a minute.

USER: Sure, take your time.

ASSISTANT: Thanks for your time, there are no flights are running on your route due to heavy rains.

USER: Ok, no problem. I will go with another flight. Thank you for your time.

ASSISTANT: Thank you for availing us.