You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I need to visit Houston for attending my last semester exam. Can you please book a flight ticket?

ASSISTANT: Sure, May I know your name?

USER: Sarah Taylor is my name.

ASSISTANT: Can you provide me your travelling dates for booking purpose?

USER: 03/27 and 03/29 are my travelling dates.

ASSISTANT: May I know your airport codes?

USER: Seattle, WA - SEA is my origin. Houston, TX - IAH is my destination.

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

USER: Yes, I need a halt in between my journey.

ASSISTANT: Ok, wait for some time.

USER: Sure, I will wait.

ASSISTANT: We found Delta airline with connecting flight and number 1026 fare of 100. Shall I proceed for booking?

USER: Please proceed for booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for booking my ticket.

ASSISTANT: Thanks for choosing us.