You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I be of your service?

USER: I want to book a normal-cost airline to meet my friend's. Can you help me?

ASSISTANT: Sure, we are glad to assist you in booking. Do you need a stopover in between your journey?

USER: I need a connecting flight.

ASSISTANT: Please let me know if you have any class preference.

USER: Nu, But I would like to depart in the afternoon.

ASSISTANT: May I know your name for documentation purpose?

USER: Rebecca Adams here.

ASSISTANT: Kindly mention your planned travelling dates to proceed further.

USER: May 09th and 11th are my travelling dates.

ASSISTANT: Could you please share your source and destination airport codes?

USER: DCA and JFK are my airport codes.

ASSISTANT: Thank you for sharing your journey details, please wait a moment I'll check and revert to you.

USER: Ok.

ASSISTANT: Thank you for being patient, we are unable to provide flight in between your journey routes due to some technical up-gradation at destination airport.

USER: No issue, Thank you.

ASSISTANT: Thank you for approaching us.