You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I want to attend my brother's marriage, can you please help me in reserving my ticket from DFW to DEN?

ASSISTANT: Sure, please help me with your travel dates.

USER: Sure, my planned dates of journey are from Jul, 18 to Jul, 20.

ASSISTANT: May I know your name?

USER: Sure, my name is Andrew Johnson.

ASSISTANT: Do you need any break in between your journey?

USER: Yes, I need a connecting flight.

ASSISTANT: Do you have any other preferences?

USER: Not required.

ASSISTANT: Flight-1001 is available in Delta airlines with single connection and the ticket fare is 100. Can I proceed?

USER: Ok, you can book it.

ASSISTANT: Your booking is confirmed.

USER: Thank you for your help in booking my ticket.

ASSISTANT: Thank you for reaching us.