You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you?

USER: My name is Karen Garcia. I want to book a flight from Seattle, WA - SEA to Houston, TX - IAH? Can you please help?

ASSISTANT: Sure, may I know your price limit?

USER: I can pay up to 5000.

ASSISTANT: Let me know your travelling dates.

USER: My planned travel dates are 04/29 and 05/01.

ASSISTANT: There is a flight found with number 1004 in Frontier airline. Shall I proceed?

USER: Please proceed with the booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thanks for reaching us.