You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I got an invitation to participate in a dance show, can you book a ticket from SFO to IAH?

ASSISTANT: Sure, may I know your name?

USER: Yes, my name is Gregory Allen.

ASSISTANT: Do you need a connecting flight?

USER: Yes, my maximum connection has to be 1.

ASSISTANT: On which dates are you going to depart and return?

USER: I'm planning to depart from my location on 20th April and I want to return back by 22nd April.

ASSISTANT: Can I know, on which airline would you like to travel?

USER: Yes, I prefer normal-cost airlines.

ASSISTANT: Wait a minute.

USER: Sure.

ASSISTANT: We found a flight on American airline, flight number 1019 with the fare of 200.

USER: That's fine, you can proceed for booking the ticket.

ASSISTANT: Your ticket has been booked.

USER: Thank you so much for your help.

ASSISTANT: Thank you for choosing us.