You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: Can you please help me with booking a flight ticket from ATL to DCA?

ASSISTANT: Sure, I am here to help you. Can I know on which dates you want to travel?

USER: My travel dates are Dec 06 and 08.

ASSISTANT: Ok, do you need any connection in between the journey?

USER: I am comfortable with any connection.

ASSISTANT: Ok, please share your class preference.

USER: I prefer economy class.

ASSISTANT: Do you have any other specifications?

USER: I would like to depart at evening.

ASSISTANT: Can I know your name please?

USER: My name is Christine Martin.

ASSISTANT: Please stand by.

USER: Ok.

ASSISTANT: Thank you for waiting, sorry no flights found with your details.

USER: Ok, no issues.

ASSISTANT: Thank you for reaching us, have a good day.

USER: Thanks for the help.