You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I am Elizabeth Hill. Can you please help me by booking a ticket from Detroit to Houston?

ASSISTANT: Sure, please tell me your travelling dates.

USER: 09/11 and 09/13 are my preferred travelling dates.

ASSISTANT: Ok, may I know your source an destination codes for better checking the availability?

USER: Sure, my respective travelling codes are DTW and IAH.

ASSISTANT: Ok, please allow me a minute.

USER: Yes, please.

ASSISTANT: The JetBlue airline with flight number 1009 is available having price as 100 and connection as 1. Would you like me to book this plane ticket?

USER: Yes please.

ASSISTANT: Ok, your reservation is done. Thank you for approaching us.

USER: Thank you for the help.