You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Can you help me to book a flight with 1 connection?

ASSISTANT: How can I help you? Sure, you trip details please.

USER: Sure, I would like to travel on 04/12 and 04/14.

ASSISTANT: Can you give me your source and destination?

USER: My airport codes are LAS and IAH.

ASSISTANT: Are there any other preferences?

USER: No, I did not have any other requirements.

ASSISTANT: May I know your name?

USER: My name is Rebecca Martin.

ASSISTANT: Flight number 1020 with price 100 in economy class, with a connection is available. Is it ok for you?

USER: Proceed with booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.