You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Melissa Collins.

ASSISTANT: How may I serve you the best today?

USER: I would like to meet my business partner to discuss about my new project at Boston, MA-BOS. Can you please help me with booking a flight ticket from Houston, TX-IAH?

ASSISTANT: Sure, can you please share on what dates you have planned to travel?

USER: Sure, I want to depart on 06/12 and arrive on 06/14.

ASSISTANT: Let me know your budget for an airline reservation.

USER: I can bare up to 5000 for a flight ticket.

ASSISTANT: We found a direct flight with your matching details. Shall I proceed with the booking?

USER: I need a connecting flight. Can you please re-check once? If it is not available, then I will go with direct flight only.

ASSISTANT: There are no connecting flight on your given dates.

USER: Ok, proceed with direct flight.

ASSISTANT: Your ticket has been booked with an airline Delta of flight 1003 and fare is 100.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.