You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I provide assistance to you?

USER: I am Margaret Thompson. I want to book a flight ticket to meet my brother on his birthday, can you please help me in doing that?

ASSISTANT: Sure, kindly share your travel dates.

USER: My journey dates are 05/14 to 05/16.

ASSISTANT: Could you please help me with your airport codes?

USER: My travelling airport codes are OAK to DTW.

ASSISTANT: How much can you afford for this journey?

USER: I can pay up to 5000.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: There is a flight with your requirement, airline is UA with price 100 and single connection. Shall I proceed with booking?

USER: Ok, please proceed with booking.

ASSISTANT: Your booking is done and flight number is 1008.

USER: Thank you.

ASSISTANT: Thanks for reaching us.