You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Will you please book me a flight ticket from DFW to LAS?

ASSISTANT: Sure, can you share your trip dates?

USER: I will start on July 4th and return on July 6th.

ASSISTANT: Do you have any connection limit?

USER: Yes, I need 1 lay by.

ASSISTANT: Is there any class preference?

USER: I am fine with any class.

ASSISTANT: Are there any other specifications?

USER: No.

ASSISTANT: Please forward your name.

USER: I am Elizabeth Miller.

ASSISTANT: We found a connecting flight of fare 100 with airline Frontier and number 1001. Can I book?

USER: Fine, please go ahead.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for your support.

ASSISTANT: Thank you.