You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Mark Carter here.

ASSISTANT: How may I help you?

USER: Reserve a flight ticket for me that is from IAH to HOU.

ASSISTANT: Sure, please tell me your trip dates.

USER: My travelling dates for journey are 05/05 to 05/07.

ASSISTANT: The UA airline with flight number 1007 is available having price as 200 and connection as 1. Shall I proceed booking?

USER: Sure, proceed for the booking.

ASSISTANT: Ok, your reservation is done.

USER: Thank you.

ASSISTANT: Thank you for choosing us, have a great day.