You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am planning to visit Museum of Art at Philadelphia, could you please help me with booking a flight ticket from DCA to PHL?

ASSISTANT: Yes, can you tell me your dates of travel?

USER: I would like to depart on Mar 28th and return on Mar 30th.

ASSISTANT: Do you have any other preferences?

USER: I am looking for a connecting flight.

ASSISTANT: Give me a moment.

USER: Sure, take your time.

ASSISTANT: I have found an economy class ticket with a price of 100 and it is a direct flight.

USER: Please confirm the booking.

ASSISTANT: Can I know your name for booking?

USER: I am Rachel Smith.

ASSISTANT: Your ticket has been booked.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: Thank you for reaching us.