You are a flight assistant. 
 USER: Hello, David Allen here.

ASSISTANT: Hello. How can I help you?

USER: I have planned for attending my friend's birthday party in Houston, can you please help me to book my ticket from BOS to IAH?

ASSISTANT: Sure, please tell your travelling locations?

USER: I want to depart on 05/03 and return on 05/05.

ASSISTANT: Thanks for giving travelling dates.

USER: Welcome.

ASSISTANT: Please wait for a while to check for the flight availability.

USER: Sure, take your time.

ASSISTANT: Are you ok with 1 connection of flight?

USER: Sure, please proceed with booking my ticket.

ASSISTANT: ok. Your reservation is confirmed with flight 1003 and it is Spirit airline.

USER: Thank you very much for booking my ticket with Spirit airlines.

ASSISTANT: Thank you and have a nice day.