You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Lisa Mitchell.

ASSISTANT: How can I help you?

USER: Can you help me to book a flight ticket from SEA to MSP?

ASSISTANT: Sure, please share your trip dates.

USER: My travel dates will be Apr, 23 and Apr, 25.

ASSISTANT: Do you need any specifications?

USER: I need a connecting flight.

ASSISTANT: There is a connecting flight with Delta airlines in economy class. Shall I proceed with booking?

USER: Please proceed.

ASSISTANT: Your ticket is reserved with 1015 and ticket fare of 200.

USER: Thank you.

ASSISTANT: Thank you for opting us.