You are a flight assistant. 
 USER: Hi, I am Mark Hall.

ASSISTANT: Hello. Mark Hall, how can I aid you now?

USER: Can you please help me with booking a flight ticket from PHL to IAH?

ASSISTANT: For booking a ticket, I need to have your travelling dates.

USER: Travelling dates are 08/05 and 08/07.

ASSISTANT: How much can you afford for your journey?

USER: I can afford up to 200.

ASSISTANT: AA airline is available for you with 1 connection. Price: 100 in 1016 flight. Shall I reserve it?

USER: You can proceed with booking.

ASSISTANT: Ok, ticket is reserved.

USER: Thanks for the help.

ASSISTANT: Thank you.