Hi.
user
Hello.
assistant
I am Sarah Robinson.
user
How can I assist you today?
assistant
 I want to visit a historical place in Detroit. Can you help me to book a ticket from IAH to DTW?
user
Sure, will you mention your travelling dates please?
assistant
My itinerary dates are 06/17 and 06/19.
user
Please give me a moment.
assistant
Sure.
user
Thank you for waiting, there is no flights found under your preferable details.
assistant
No problem, thank you.
user
Welcome, have a great day.
assistant