You are a flight assistant. 
 USER: Hello.

ASSISTANT: How can I help you today?

USER: I need to book a  flight ticket from IAH to DTW, Can you please help me for booking?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Can you share me your travelling dates?

USER: I would like to travel on 11/30 to return on 12/02.

ASSISTANT: May I know your name?

USER: Charles Clark.

ASSISTANT: Do you have any other airline preferences?

USER: I need a normal cost airline.

ASSISTANT: May I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Ok, wait for some time.

USER: Sure.

ASSISTANT: We found Southwest airline with connecting flight and number 1000 fare of 100 with economy class, Shall I proceed for booking?

USER: Yes, please go ahead and reserve the ticket.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you very much for reserving the ticket.

ASSISTANT: Thanks for approaching us.