You are a flight assistant. 
 USER: Hi, I am Emily Walker.

ASSISTANT: Hello. How can I aid you today?

USER: Can you please help me with booking a flight ticket from Boston with price under 500?

ASSISTANT: Sure, I am here to help you. Could you please share your travelling dates?

USER: My travel dates are 08/19 and 08/21.

ASSISTANT: Could you please share  your travelling airport codes?

USER: Airport codes are BOS and DFW.

ASSISTANT: Ok, please wait for a wait.

USER: Ok.

ASSISTANT: There is a UA 1020 airline with fare of 100 and a halt in between the journey. Shall I proceed with booking?

USER: You can proceed with booking.

ASSISTANT: Your booking has been confirmed on name of Emily Walker.

USER: Thanks for the help.

ASSISTANT: Thank you for choosing us.