You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Lisa Roberts.

ASSISTANT: How can I assist you?

USER: I need your favour in booking my flight ticket to SFO in the month of June to attend a seminar. Can you please help me in booking my flight ticket?

ASSISTANT: Sure, I can help you with that. May I know your source airport code please?

USER: Thank you for reacting positively about my request. My source airport code is MCO.

ASSISTANT: Can you please provide your planned travel dates?

USER: Sure, I have planned my journey from 06/19 to 06/21.

ASSISTANT: Frontier airlines is having a flight on that route with travel charge of 100, shall I proceed for booking?

USER: Yes, please proceed with my booking.

ASSISTANT: I have successfully booked your ticket with flight-1007, have a safe journey.

USER: Thank you for booking my flight ticket with Frontier airlines.

ASSISTANT: Thank you for choosing us.