You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How may I assist you today?

USER: I am Jerry MItchell. I got an opportunity to explore NASA Space center. Will you please help me with airline reservation of fare :1000.

ASSISTANT: We are happy to help you. Could you please help me with your travel dates?

USER: Sure, my starting date is 06/13 and will intend to return on 06/15.

ASSISTANT: Help me with your boarding point?

USER: My boarding point : Newyork, NY-JFK.

ASSISTANT: Ok, may I know your landing point?

USER: My dest. aiport is : TX-HOU.

ASSISTANT: Ok, please wait I will revert you in a moment.

USER: Sure, take your time.

ASSISTANT:  Sorry, no flights are not functioning on your travel dates.

USER: Ok, no worries will make other alternative for the journey.

ASSISTANT: Thank you for availing us.

USER: thank you for helping.