You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Susan Thomas here. I would like to visit Philadelphia to meet my uncle, please help me in booking a ticket from MSP to PHL.

ASSISTANT: Sure, may you know your trip dates?

USER: My planned trip dates are on Dec 30 and Jan 01.

ASSISTANT: Do you have any preferences?

USER: I prefer economy class ticket.

ASSISTANT: There is a connecting flight with number 1029 in airline AA, the fare is 100 in economy class. Can I book it?

USER: Ok, please book my ticket.

ASSISTANT: Your ticket is booked.

USER: Thank you for your assistance.

ASSISTANT: Thank you for reaching us.