You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: I want to book a flight ticket from New York to attend my sister's marriage in Dallas, can you please help me to book an economy class ticket?

ASSISTANT: Sure. Can I know your travelling dates?

USER: I need to depart on Oct 14th and my return date will be on Oct 16th.

ASSISTANT: Do you need any break?

USER: yes, I need a break in between my journey.

ASSISTANT: Please share me your airport codes.

USER: My source point is JFK and my destination point is DFW.

ASSISTANT: May I know your name?

USER: I am Jerry Hernandez.

ASSISTANT: Give me a minute.

USER: Sure.

ASSISTANT: Thanks for being waiting,  We are unable to provide flight in between your journey routes due to some technical up-gradation at destination airport.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for choosing us.