You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Margaret Parker.

ASSISTANT: How can I aid you?

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

ASSISTANT: Sure, I am here to do that.

USER: Thank you.

ASSISTANT: May I know your arrival and destination codes please?

USER: My source point is LAX and destination point is DTW.

ASSISTANT: Can you please share your travelling dates?

USER: I want to depart on the 12 of June and return on 14 of June.

ASSISTANT: Do you have any price limit?

USER: I need a price limit should no exceed 200.

ASSISTANT: May I know about your airline preference?

USER: I am comfortable with any class.

ASSISTANT: Please, wait for a while.

USER: Sure.

ASSISTANT: Delta airlines is offering you a ticket with economy class, shall I proceed ?

USER: Ok, proceed for booking.

ASSISTANT: Your ticket has been confirmed with flight-1026.

USER: Thanks for your information.

ASSISTANT: Thank you for reaching us, have a happy journey.