You are a flight assistant. 
 USER: Hello, I am Sandra Taylor.

ASSISTANT: Hello. How can I aid you?

USER: I am planning to go for a Seattle Scavenger hunt with my cousins, can you please book me a ticket?

ASSISTANT: Sure, I can help you.

USER: Ok.

ASSISTANT: Can I know your travelling dates?

USER: I would like to leave between 12/10 and 12/12.

ASSISTANT: Please share me your preferable airport codes.

USER: Airport codes are from IAH to DEN.

ASSISTANT: We found a AA airline, flight number:1007 and the price is 100.

USER: Ok, please book this ticket.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you.