You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: I am Eric Clark. I am planning to go for Comerica park at Detroit, DTW with my friends. Can you please book a ticket on 05/22?

ASSISTANT: Sure, may I know your travelling dates?

USER: Return is on 05/24.

ASSISTANT: Kindly provide your source code.

USER: Origin code is Boston, BOS.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: There is a flight found with number 1019, Delta as airline and the cost of the ticket is 100.

USER: You can proceed.

ASSISTANT: Your ticket is booked.

USER: Thank you for the information.

ASSISTANT: Thanks for reaching us.