You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I am looking to reserve a flight ticket because I have to a meeting in the hometown, can you please help me to find a flight?

ASSISTANT: Sure, please share me your trip dates.

USER: My planned trip dates are Apr 07 and Apr 09.

ASSISTANT: May I know your airport codes?

USER: My source and destination airport codes are HOU and OAK.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I prefer a single connecting flight to travel.

ASSISTANT:  For booking, we need your good name. Please mention it.

USER: My name is Lisa Johnson.

ASSISTANT:  May I know your class preferences?

USER: I didn't have any class preference.

ASSISTANT: We found a Delta airline and 1001 is flight number with a fare of 100. Shall I proceed?

USER: Ok, please proceed with the ticket booking.

ASSISTANT: Your ticket is confirmed with an economy class.

USER: Thank you for your guidance in confirming my ticket.

ASSISTANT: Thank you for reaching us.

USER: You are most welcome.