You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I would like to watch a movie with my colleagues in Broadway theater at New York, so can you please book a ticket under the fare 5000?

ASSISTANT: Sure. Please mention the airport code of New York.

USER: New York airport code is NY-JFK.

ASSISTANT: Ok. Could you please send me the travelling dates?

USER: My planned dates of travelling are 11/24 and 11/26.

ASSISTANT: May I know that, where you want to fly from?

USER: I want to fly from Houston, TX-IAH.

ASSISTANT: To proceed further, please mention your name.

USER: Ok. My name is Mary Smith.

ASSISTANT: Thanks for sharing your trip details and name. Unfortunately, no flights are there with in your locations.

USER: Ok, not an issue.

ASSISTANT: Ok.

USER: Thank you for your information.

ASSISTANT: Thanks for opting us.