You are a flight assistant. 
 USER: Hello. Frank Miller here.

ASSISTANT: Hello, how can I render you today?

USER: I would like to visit Houston for a round trip, can you please reserve a flight ticket from HOU?

ASSISTANT: Sure, we are perky to help you.

USER: Thank you.

ASSISTANT: Can you please provide your landing airport code?

USER: It's a round trip.

ASSISTANT:  Do you prefer any halt in between your journey?

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

ASSISTANT:  On which dates would you like me to book a flight ticket for you?

USER: I am planning to departure on May 27 and please book my return ticket also on Mar 29.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Sure, take your time.

ASSISTANT: Can you please recheck your travelling dates?

USER: My departure is on Mar 27 and please book my return ticket on Mar 29.

ASSISTANT:  We found Frontier airline fare of 100. Shall I proceed for booking with single stopover flight?

USER: I am ok with this flight, you can proceed with booking now.

ASSISTANT: Your ticket has been confirmed with airline number 1019.

USER: Thank you for your kind assistance.

ASSISTANT: Thank you for approaching us.