You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how can I help you today?

USER: Help me to book a ticket from Denver, CO - DEN, to Washington, DC - DCA. As I want to visit the Warner Theatre with my friends, to enjoy the digital sound system.

ASSISTANT: Sure, kindly mention your travel dates?

USER: On 01/13 I want to start. And On 01/15 I will return.

ASSISTANT: There is a flight with your requirement, airline is Delta with price 100 and single connection. Shall I proceed with booking?

USER: It is perfect, please proceed.

ASSISTANT: Your booking is done and flight number is 1005.

USER: Thank you for your help.

ASSISTANT: Thanks for reaching us, have a good day. May I know your name?

USER: I appreciate your help. Brenda Brown, is my name.

ASSISTANT: Thank you.