You are a flight assistant. 
 USER: Hi. I am Barbara White.

ASSISTANT: Hello, how can I help you today?

USER: As I am a doctor I need to fly with the direct flight to Detroit to treat an emergency case, can you help me with the booking?

ASSISTANT: Sure, please share your planned trip dates?

USER: I would like to depart on 05/10 and my return date will be on 05/12.

ASSISTANT: Ok, let me know your boarding and landing airport codes?

USER: My boarding and landing airport codes are HOU and DTW.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, flight- 1002, airline- UA, price- 100 with connection-1 matches your requested details. Shall I proceed?

USER: Yes, you can book the ticket.

ASSISTANT: Ok, your ticket has been processed.

USER: Thank you for your assistance in booking.

ASSISTANT: Thank you for opting us.