You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello. How can I aid you?

USER: Please book a ticket from Minneapolis & St. Paul, MN-MSP to Houston, TX-IAH.

ASSISTANT: Sure, provide me your journey dates please.

USER: Departure is on 05/20 and 05/22 is my return date.

ASSISTANT: Ok, please wait for sometime.

USER: Sure.

ASSISTANT: May I have your name please?

USER: I am Kathleen Smith.

ASSISTANT: There is a flight from flight 1019 with single connection having fare 100 in Southwest airline. Shall I proceed?

USER: Please book a ticket.

ASSISTANT: Your booking was done.

USER: Thanks.

ASSISTANT: Thank you for opting us.'.