You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Myself Helen Thomas from Houston.

ASSISTANT: Nice to meet you Helen.

USER: I have to go to Dallas next week for my film shooting purpose. Can you please book a flight ticket from HOU to DFW?

ASSISTANT: Sure, tell me your travel dates please?

USER: Thank you, I want to take off on Oct 23 and please confirm my return ticket also on Oct 25.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for your patience. I have found Delta airlines which flies with one connection.

USER: That's ok, please confirm this flight ticket for me.

ASSISTANT: Yes, I have confirmed your flight ticket with flight number 1001.

USER: Thank you for your help.

ASSISTANT: Thank you.