You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Debra Hill.

ASSISTANT: How may I serve you at this moment?

USER: I am planning to visit Houston to meet my friend, can you please book me a ticket from LGA to HOU?

ASSISTANT: Sure, may I know your travelling dates please?

USER: My planned dates of journey are from July 09 to July 11.

ASSISTANT: Ok, please wait for few minutes.

USER: Please make it fast.

ASSISTANT: We found a UA airline with fare of 100 matches your schedule. Shall I proceed with booking?

USER: Please book  my ticket with this airlines.

ASSISTANT: Your booking is done.

USER: Thank you for booking my ticket.