You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Barbara Anderson.

ASSISTANT: How may I serve you toady?

USER: I would like to travel from EWR to MSP. Can you please help me to book a ticket?

ASSISTANT: Sure, may I know your travel dates?

USER: I want to start on Apr 30 and return on Apr 2.

ASSISTANT: Do you prefer economy or business class?

USER: I am comfortable with any class.

ASSISTANT: At what time do you like to travel?

USER: I want to depart and return in the afternoon.

ASSISTANT: Is there any connection limit?

USER: Yes, I need a connecting flight.

ASSISTANT: Do you have any more requirements?

USER: No.

ASSISTANT: Please forward your proper travel dates.

USER: I want to start on Apr 30 and return on May 2.

ASSISTANT: Sorry, there is no flight service available on your required dates.

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you for choosing us.