You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I help you today?

USER: Can you please book a flight ticket with the name of Dorothy Rodriguez?

ASSISTANT: Sure, kindly mention your travel dates.

USER: My journey start on 05/14, attend a meeting with client on 05/15, and intend to return back on 05/16.

ASSISTANT: Can you please provide me your airport codes?

USER: My airport codes are from DCA to PHL.

ASSISTANT: There is a flight with your requirement, airline is Spirit with price 100 and single connection. Shall I proceed with booking?

USER: Ok, proceed.

ASSISTANT: Your booking is done.

USER: Thanks for your service.

ASSISTANT: Thanks for reaching us.