You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Pamela Phillips.

ASSISTANT: How may I help you?

USER: I want to travel to Detroit to meet my sister on 02/10 to collect my higher degree books. Can you please help me with booking a flight ticket to Detroit, MI-DTW?

ASSISTANT: Please let me know your boarding airport code.

USER: I want to board from Houston, TX-HOU.

ASSISTANT: May I know your return date?

USER: I intend to return on 02/12.

ASSISTANT: Connecting flight can be booked with airline Frontier for price 100. Shall I book a ticket?

USER: Yes, please proceed.

ASSISTANT: Ticket is booked with flight number 1002.

USER: Thank you for your help.

ASSISTANT: Thank you.